Human sexuality covers a broad range of topics, including the physiological, psychological, social, cultural, political, philosophical, ethical, moral, theological, legal and spiritual or religious aspects of sex and human sexual behavior. Articles pertaining to human sexuality include: {{Compact ToC, sym=yes, num=yes, nobreak=yes, seealso=yes

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-phil- The Greek root "-Phil-" originates from the Greek word meaning "love". For example, Philosophy (along with the Greek root "-soph-" meaning "wisdom") is the study of human customs and the significance of life. One of the most common uses of the roo ...

$pread ''$pread'' was a quarterly magazine by and for sex workers and those who support their rights. The magazine's focus was: "personal experiences and political insights" and it "contain(ed) practical information like news, features, health columns, ...

A

*'' A Mind of Its Own: A Cultural History of the Penis'' *'' A Return to Love'' * Abasiophilia * Abortion *

Abstinence Abstinence is a self-enforced restraint from indulging in bodily activities that are widely experienced as giving pleasure. Most frequently, the term refers to sexual abstinence, but it can also mean abstinence from alcohol, drugs, food, etc. ...

* Abstinence-only sex education * Abstinence, be faithful, use a condom *

Accidental incest Accidental incest is sexual activity or marriage between persons who were unaware of a family relationship between them which would be considered incestuous. The laws of many jurisdictions void incestuous marriages, even if entered into without ...

* Acrosome * Acrosome reaction * Acrotomophilia * Activin and inhibin * Adolescent sexuality *

Adolescent sexuality in the United States The sexuality of US adolescents includes their feelings, behaviors and development, and the place adolescent sexuality has in American society, including the response of the government, educators, parents, and other interested groups. Tee ...

Adult Check Adult Check, Inc. was an American company that created and hosted one of the first and largest online age verification services. The network of web sites using the Adult Check verification system reached as many as 400,000 and the Adultcheck.com ...

* Adult Industry Medical Health Care Foundation * Adult Verification System *

Adult video arcade An adult movie theater is a euphemistic term for a movie theater dedicated to the exhibition of pornographic films. Adult movie theaters show pornographic films primarily for either a respectively heterosexual or homosexual audience. For the patro ...

* Adult video game * Adultery * Advanced maternal age *

Affair An affair is a sexual relationship, romantic friendship, or passionate attachment in which at least one of its participants has a formal or informal commitment to a third person who may neither agree to such relationship nor even be aware of i ...

Affection Affection or fondness is a "disposition or state of mind or body" that is often associated with a feeling or type of love. It has given rise to a number of branches of philosophy and psychology concerning emotion, disease, influence, and sta ...

* Affectional bond * Affectional orientation * African-American culture and sexual orientation * Agalmatophilia * Age at first marriage *

Age disparity in sexual relationships Concepts of age disparity in sexual relationships, including what defines an age disparity, have developed over time and vary among societies. Differences in age preferences for mates can stem from partner availability, gender roles, and evoluti ...

Age of consent The age of consent is the age at which a person is considered to be legally competent to consent to sexual acts. Consequently, an adult who engages in sexual activity with a person younger than the age of consent is unable to legally claim ...

Age of consent reform Age of consent reform is an effort to change age of consent laws. Proposed reforms typically include raising, lowering, or abolishing the age of consent, applying (or not applying) close-in-age exemptions, changing penalties, or changing how ca ...

* Ageplay *

Ages of consent in Africa The age of consent in Africa for sexual activity varies by jurisdiction across the continent. The specific activity engaged in or the gender of its participants can also affect this age and the legality of sexual activity. The highlighted age re ...

Ages of consent in Asia The legal age of consent for sexual activity varies by jurisdiction across Asia. The specific activity engaged in or the gender of participants can also be relevant factors. Below is a discussion of the various laws dealing with this subject. ...

* Ages of consent in Europe *

Ages of consent in North America In North America, the legal age of consent relating to sexual activity varies by jurisdiction. The age of consent in Canada is 16. As of August 2018, each U.S. state has set its age of consent at age 16, age 17, or age 18. The age of cons ...

Ages of consent in Oceania The ages of consent for sexual activity vary from age 15 to 18 across Australia, New Zealand and other parts of Oceania. The specific activity and the gender of its participants is also addressed by the law. The minimum age is the age at or abo ...

* Ages of consent in South America *

AIDS Human immunodeficiency virus infection and acquired immunodeficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV), a retrovirus. Following initial infection an individual m ...

AIDS in the pornographic film industry Sexually transmitted infections in the pornography industry; deals with the occupational safety and health hazard of contracting sexually transmitted infections (STIs) by workers in the sex industry. Since the 1980s, many cases of pornographic pe ...

* Alan Soble * Albanian sworn virgins *

Alcohol and sex Alcohol and sex deals with the effects of the consumption of alcohol on sexual behavior. The effects of alcohol are balanced between its suppressive effects on sexual physiology, which will decrease sexual activity, and its suppression of psycholo ...

*'' All About Love: New Visions'' *

Alt porn Alternative porn (also known as alt porn, alternaporn, or simply alt in context), a shortening of "alternative pornography", is a subgenre of pornography that is centered around alternative subcultures, such as goths, punks, emos, scenes, ska ...

Alt.sex alt.sex is a Usenet newsgroup – a discussion group within the Usenet network – relating to human sexual activity. It was popular in the 1990s. An October 1993 survey by Brian Reid reported an estimated worldwide readership for the newsgroup o ...

Alt.sex.stories alt.sex.stories is a Usenet newsgroup for erotic stories created on May 7, 1992, by Tim Pierce as an alternative to pre-existing alt erotica newsgroups. The group was initially unmoderated, a feature that was not shared by some of the other Usen ...

American Association of Sexuality Educators, Counselors and Therapists The American Association of Sexuality Educators, Counselors and Therapists (AASECT) is a professional organization for sexuality educators, sexuality counselors and sex therapists. History and overview AASECT was founded by Patricia Schiller i ...

* American Birth Control League *

American Fertility Association The American Fertility Association is a national non-profit organization based in New York City, which advocates and serves as a resource for topics related to fertility Fertility is the capability to produce offspring through reproduction ...

* American Institute of Bisexuality *'' American Journal of Sexuality Education'' * Anal beads * Anal fingering * Anal masturbation *

Anal sex Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure.Sepages 270–271for anal sex information, anpage 118for information about the clitoris. ...

* Anaphrodisiac *

Anarchism and issues related to love and sex Major anarchist thinkers (except Proudhon), past and present, have generally supported women's equality. Free love advocates sometimes traced their roots back to Josiah Warren and to experimental communities, viewing sexual freedom as an expressio ...

* Anatomically correct doll *

Ancient Greek eros Eros (, ; ) is a concept in ancient Greek philosophy referring to sensual or passionate love, from which the term '' erotic'' is derived. ''Eros'' has also been used in philosophy and psychology in a much wider sense, almost as an equivalent ...

* Andrology * Androphilia and gynephilia *

Anilingus Anilingus (from the Latin ''anus'' + ''-lingus'', from ''lingere'', "to lick", variantly spelled "analingus") is the oral and anal sex act in which a person stimulates the anus of another by using the mouth, including lips, tongue, or teeth. I ...

* Animal roleplay *

Anovulatory cycle The anovulatory cycle is a menstrual cycle by varying degrees of menstrual intervals and the absence of ovulation and a luteal phase. In the absence of ovulation, there will be infertility. Patterns While the normal menstrual cycle in the human t ...

* Anthropophilia in animals * Anti-pornography movement * Antisexualism *

Aphanisis In psychoanalytic theory, aphanisis (; from the Greek ἀφάνισις ''aphanisis'', "disappearance") is the disappearance of sexual desire. The etymology of the term refers to it as the absence of brilliance in the astronomical sense such as the ...

* Aphrodisiac * Apotemnophilia *

Aquaphilia (fetish) Aquaphilia (literally "water lover" from the Latin ''aqua'' and Greek φιλειν (''philein'')) is a form of sexual fetishism that involves images of people swimming Swimming is the self-propulsion of a person through water, or other liquid, ...

Armpit fetishism Armpit fetishism (also known as maschalagnia) is a type of partialism in which a person is sexually attracted to armpits, which may lead to axillism, or armpit intercourse (sexual activity with one or both armpits). Smell The natural body smell ...

Arse Elektronika Arse Elektronika is an annual conference organized by the Austrian arts and philosophy collective monochrom, focused on sex and technology. The festival presents talks, workshops, machines, presentations and films. The festival's curator is Johann ...

Artificial hymen An artificial hymen is a type of prosthetic created for the purpose of simulating an intact human hymen, usually to fake virginity.

* Asexuality * Asherman's syndrome * Ass to mouth * Assortative mating * Astroglide * Athenian pederasty *''

AtomAge ''AtomAge'' magazine (later ''AtomAge International'' magazine) was a fetish magazine published in Britain by the clothes designer John Sutcliffe in the 1970s as an offshoot of his AtomAge fetish clothing business. The magazine has been called the ...

'' * Attachment in adults * Attachment in children * Attachment measures * Attachment theory * Attraction to disability * Attraction to transgender people * Autagonistophilia * Autassassinophilia * Autoerotic fatality * Autoeroticism *

Autosadism Autosadism, or automasochism, is behaviour inflicting pain or humiliation on oneself. It may be related to self-harm or a paraphilia involving sexual arousal. It can be viewed as a form of masochism, a sublimated form of sadism, or a means to ex ...

* Ayoni

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Balloon fetish A balloon fetish is a sexual fetish that involves balloons.Gates, Katharine (1999)''Deviant Desires: Incredibly Strange Sex'' Juno Books, (retrieved 22 August 2010 from Google Books) A balloon fetishist is also referred to as a "looner". Some b ...

* Banjee *'' Bare Behind Bars'' * Bareback (sexual act) * Barley-Break * Baseball metaphors for sex * BDSM * BDSM and the law *

BDSM in culture and media BDSM (i.e., bondage and discipline, dominance and submission, sadism and masochism) is a frequent theme in culture and media, including in books, films, television, music, magazines, public performances and online media. Newspapers and magaz ...

* Beate Uhse-Rotermund *

Beate Uhse Erotic Museum The Beate Uhse Erotic Museum (german: Beate Uhse Erotik-Museum) (1996 – 2014) was a sex museum in the Charlottenburg district of Berlin, Germany. The museum was opened in 1996 near Berlin Zoologischer Garten railway station by Beate Uhse, the ...

* Beginning of pregnancy controversy * Benandanti *'' Bend Over Boyfriend'' * Benjamin scale * Berl Kutchinsky * Beyaz (drug) * Biastophilia * Biblical courtship *

Bidder's organ Bidder's organ is a spherical, brownish organ in most members of the family Bufonidae (true toads). The organ is located just in front of the kidney, or mesonephros. It is formed at the cranial tip of the male and female gonad during the larval sta ...

Bikini waxing Bikini waxing is the removal of pubic hair using a special wax, which can be hot or cold, that adheres to hairs and pulls them out when the wax is removed quickly from the skin, usually with a cloth strip. While the practice is mainly associ ...

* Biology and sexual orientation *

Birth control Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent unwanted pregnancy. Birth control has been used since ancient times, but effective and safe methods of birth contr ...

* ''Birth Control'' (film) *

Birth Control Council of America The Birth Control Council of America (BCCA) was a short-lived organization that was established 1937 to reconcile the activities of the American Birth Control League (ABCL) and the Birth Control Clinical Research Bureau (BCCRB). The goal was to r ...

* Birth control movement in the United States * Birth control sabotage * Birth dearth * Birth rate * Bisexual pornography * Bisexual pride flag *

Bisexuality Bisexuality is a romantic or sexual attraction or behavior toward both males and females, or to more than one gender. It may also be defined to include romantic or sexual attraction to people regardless of their sex or gender identity, whic ...

Blanchard's transsexualism typology Blanchard's transsexualism typology is a proposed psychological typology of gender dysphoria, transsexualism, and fetishistic transvestism, created by sexologist Ray Blanchard through the 1980s and 1990s, building on the work of prior researchers, ...

* Blood–testis barrier *

Blood fetishism Paraphilias are sexual interests in objects, situations, or individuals that are atypical. The American Psychiatric Association, in its ''Diagnostic and Statistical Manual, Fifth Edition'' (DSM), draws a distinction between paraphilias (which ...

* Blue balls * Blunder Broad * Bob Champion *

Body inflation Body inflation is the practice of inflating or pretending to inflate a part of one's body, often for sexual gratification. It is commonly done by inserting balloons underneath clothes or a skin-tight suit and then inflating them. Some people h ...

Body odor and subconscious human sexual attraction Odour is sensory stimulation of the olfactory membrane of the nose by a group of molecules. Certain body odours are connected to human sexual attraction. Humans can make use of body odour subconsciously to identify whether a potential mate will p ...

Boink ''Boink'' was a magazine of erotica started by Alecia Oleyourryk, a magazine journalism student at Boston University, and the photographer Christopher Anderson. The magazine was also educational in scope and purpose. The first issue was released i ...

Bokanovsky's process ''Brave New World'' is a dystopian novel by English author Aldous Huxley, written in 1931 and published in 1932. Largely set in a futuristic World State, whose citizens are environmentally engineered into an intelligence-based social hierarch ...

Bondage (BDSM) Bondage in the BDSM subculture, is the practice of consensually tying, binding, or restraining a partner for erotic, aesthetic, or somatosensory stimulation. A partner may be physically restrained in a variety of ways, including the use ...

*'' Bonk: The Curious Coupling of Science and Sex'' * Boot fetishism * Born-again virgin * Boston Corbett * Boston Medical Group * Boyfriend *

Bracha L. Ettinger Bracha Lichtenberg Ettinger (born March 23, 1948) is an Israeli artist, painter and writer, visual analyst, psychoanalyst and philosopher, living and working in Paris and Tel Aviv. She is regarded as a major French feminist theorist and pr ...

* Breast * Breast binding * Breast fetishism *'' British Journal of Sexual Medicine'' *''

British Society for the Study of Sex Psychology The British Society for the Study of Sex Psychology (BSSSP) was founded in 1913, "to advance a particularly radical agenda in the field of sex reform, based on the writings of gurus such as dwardCarpenter and avelockEllis." Magnus Hirschfeld, t ...

'' * Broken heart *

Brotherly love (philosophy) Brotherly love in the biblical sense is an extension of the natural affection associated with near kin, toward the greater community of fellow believers, that goes beyond the mere duty in to "love thy neighbour as thyself", and shows itself as " ...

* Buddhism and sexual orientation * Buddhism and sexuality *

Bugchasing Bugchasing (alternatively bug chasing) is the rare practice of intentionally seeking human immunodeficiency virus (HIV) infection through sexual activity. Bugchasers—those who eroticize HIV—constitute a subculture of barebackers, men w ...

Bukkake is a sex act in which one participant is ejaculated on by multiple participants. It is often portrayed in pornographic films. Bukkake videos are a relatively prevalent niche in contemporary pornographic films. Originating in Japan in the 198 ...

(sexual practice) *

Bundling (tradition) Bundling, or tarrying, is the traditional practice of wrapping a couple together in a bed sometimes with a board between the two of them, usually as a part of courting behavior. The tradition is thought to have originated either in the Netherlands ...

Bunga bunga Bunga bunga is a phrase of uncertain origin and various meanings that dates from 1910, and a name for an area of Australia dating from 1852. By 2010 the phrase had gained popularity in Italy and the international press to refer to then-Italian Pri ...

* Burusera *

Butt plug A butt plug is a sex toy that is designed to be inserted into the rectum for sexual pleasure. They are similar to a dildo in some ways but tend to be shorter and have a flanged end to prevent the device from being lost inside the rectum. Histor ...

* Buttocks * Buttocks eroticism

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* Camel toe * Camgirl *

Candaulism Candaulism, or candaulesism, is a paraphilic sexual practice or fantasy in which one person exposes their partner, or images of their partner, to other people for their voyeuristic pleasure. Candaulism is also associated with voyeurism and exhib ...

Capacitation Capacitation is the penultimate step in the maturation of mammalian spermatozoa and is required to render them competent to fertilize an oocyte. This step is a biochemical event; the sperm move normally and look mature prior to capacitation. ''I ...

Cass identity model The Cass identity model is one of the fundamental theories of LGBT identity development, developed in 1979 by Vivienne Cass. This model was one of the first to treat LGBT people as normal in a heterosexist society and in a climate of homophobia an ...

* Casting couch *

Castration Castration is any action, surgical, chemical, or otherwise, by which an individual loses use of the testicles: the male gonad. Surgical castration is bilateral orchiectomy (excision of both testicles), while chemical castration uses pharmaceut ...

* Casual relationship * Casual sex *

Catfight Catfight (also girl fight) is a term for an altercation between two females, often characterized as involving scratching, shoving, slapping, choking, punching, kicking, biting, spitting, hair-pulling, and shirt-shredding. It can also be used to d ...

* Catholic sex abuse cases *

Catholicism and sexuality Catholic theology of sexuality, like Catholic theology in general, is drawn from natural law, canonical scripture, divine revelation, and sacred tradition, as interpreted authoritatively by the magisterium of the Catholic Church. Sexual moralit ...

Celibacy Celibacy (from Latin ''caelibatus'') is the state of voluntarily being unmarried, sexually abstinent, or both, usually for religious reasons. It is often in association with the role of a religious official or devotee. In its narrow sense, the ...

* Certified Sex Therapist *

Chickenhawk (gay slang) A chickenhawk or chicken hawk is slang used in American and British gay culture to denote older males who prefer younger males for partners, who may less often be called "chickens", ''i.e.'', the prey of the chickenhawk. Other variations include c ...

* Chickenhead (sexuality) *

Child-on-child sexual abuse Child-on-child sexual abuse is a form of child sexual abuse in which a prepubescent child is Sexual abuse, sexually abused by one or more other children or Adolescence, adolescents, and in which no adult is directly involved. While this includes wh ...

* Child sex *

Child sex tourism Child sex tourism (CST) is tourism for the purpose of engaging in the prostitution of children, which is commercially facilitated child sexual abuse. The definition of '' child'' in the United Nations Convention on the Rights of the Child is "ev ...

* Child sexual abuse * Child sexuality * Childbirth *

Choice USA Unite for Reproductive & Gender Equity (URGE) is a national youth-led reproductive rights and justice non-profit organization in the United States based in Washington, D.C. that began as Choice USA in 1992. Choice USA changed its name to URGE in Jul ...

* Chremastistophilia * Christian side hug * Christianity and sexual orientation * Chronophilia * Cicisbeo *

Circle jerk A circle jerk, also sometimes spelled circlejerk, is a Human sexual activity, sexual practice in which a group of men or boys form a circle and masturbate themselves or each other. In the metaphorical sense, the term is used to refer to Echo chamb ...

(sexual practice) * Circumcision * Clinical vampirism * Clitoral enlargement methods * Clitoral erection * Clitoral pump *

Clitoris The clitoris ( or ) is a female sex organ present in mammals, ostriches and a limited number of other animals. In humans, the visible portion – the glans – is at the front junction of the labia minora (inner lips), above the ope ...

* Clitorism * Clothing fetish * Club wear * Co-sleeping * Cock ring * Cock and ball torture *

Cockle bread Cockle bread was an inferior type of British corn or wheat bread mixed with " cockle weed". In the 17th century a practice known as "moulding" cockle-bread had a sexual connotation. Cockle bread is also mentioned in a 19th-century nursery rhyme. ...

* Coitus reservatus *

Compassionate love Compassionate love, sometimes also called altruistic love, is love that "centers on the good of the other" (p. 3, Underwood, 2008). It is closely related to the construct of unlimited love that has been expounded by Stephen G. Post. It ...

* Compersion * Compulsory sterilization *

Concept Foundation The Concept Foundation is a non-profit foundation which was established by the UNDP/UNFPA/WHO/WB Special program in Reproductive Health (WHO/HRP), PATH, the World Bank in 1989 in Bangkok, Thailand, "as a mechanism through which WHO’s rights asso ...

* Concubinage *

Condom A condom is a sheath-shaped barrier device used during sexual intercourse to reduce the probability of pregnancy or a sexually transmitted infection (STI). There are both male and female condoms. With proper use—and use at every act of in ...

* Condom fatigue *

Condoms, needles, and negotiation Condoms, needles, and negotiation, also known as the CNN approach, is a harm reduction approach to reducing the rate of transmission of sexually transmitted infections such as HIV/AIDS by: * Providing condom A condom is a sheath-shaped barr ...

* Conjugal love * Conjugal visit * Conscience clause (medical) * Consecrated virgin * Consent * Consent in BDSM * Constitutional growth delay * Contraception * Contraception in the Republic of Ireland * Contraceptive security *

Coolidge effect The Coolidge effect is a biological phenomenon seen in animals, whereby males exhibit renewed sexual interest whenever a new female is introduced, even after sex with prior but still available sexual partners. To a lesser extent, the effect is also ...

* Coprophilia * Corrective rape * Cortical reaction * Couple costume *

Courtly love Courtly love ( oc, fin'amor ; french: amour courtois ) was a medieval European literary conception of love that emphasized nobility and chivalry. Medieval literature is filled with examples of knights setting out on adventures and performing vari ...

* Courtship * Courtship disorder * Covert incest * Crab louse * Creampie (sexual act) * Cretan pederasty * Crime of passion * Criminal transmission of HIV * Cross dressing * Cruising for sex *

Crush fetish A crush fetish is a fetish and a paraphilia in which sexual arousal is associated with observing objects being crushed or being crushed oneself. The crushed objects vary from inanimate items (e.g., food), to injurious and/or fatal crushing of in ...

Crystallization (love) Crystallization is a concept, developed in 1822 by the French writer Stendhal, which describes the process, or mental metamorphosis, in which unattractive characteristics of a new love are transformed into perceptual diamonds of shimmering beauty; ...

Cuban National Center for Sex Education The National Center for Sex Education ( es, Centro Nacional de Educación Sexual, CENESEX) is a government-funded body founded in 1989 in Cuba. The center is best known for advocating tolerance of LGBT issues on the island. CENESEX stresses accept ...

Cuckold A cuckold is the husband of an adulterous wife; the wife of an adulterous husband is a cuckquean. In biology, a cuckold is a male who unwittingly invests parental effort in juveniles who are not genetically his offspring. A husband who is aw ...

* Cuckquean *

Cuddle party A cuddle party (or a cuddle puddle or snuggle party) is an event designed with the intention of allowing people to experience nonsexual group physical intimacy through cuddling. History Reid Mihalko and Marcia Baczynski, a pair of self-described " ...

* Cum shot * Cunnilingus *

Cunt ''Cunt'' () is a vulgar word for the vulva or vagina. It is used in a variety of ways, including as a term of disparagement. Reflecting national variations, ''cunt'' can be used as a disparaging and obscene term for a woman in the United Stat ...

* Cupboard love * Curial response to Catholic sex abuse cases * Cutty-sark (witch) *

Cyber sex "Cyber Sex" is a song by American rapper and singer Doja Cat. It was released alongside a music video through Kemosabe and RCA Records on November 7, 2019, as the fourth single from her second studio album ''Hot Pink'', which was released on th ...

* Cybersex * Cytoplasmic incompatibility * Cytoplasmic transfer

D

* Dacryphilia *

Damsel in distress The damsel in distress is a recurring narrative device in which one or more men must rescue a woman who has either been kidnapped or placed in general peril. Kinship, love, or lust (or a combination of those) gives the male protagonist the motiv ...

* Dartos fascia * Date rape * Davian behavior * David Reimer *

Day of Conception Day of Conception (also known as Procreation Day) is a Russian Holiday made popular by the region of Ulyanovsk, birthplace of Vladimir Lenin. The day itself takes place on September 12th, and couples who then have a child on June 12th are reward ...

* De amore (Andreas Capellanus) * Dear John letter * Debagging * Decrement table * Deep-throating *

Delayed ejaculation Delayed ejaculation (DE) describes a man's inability or persistent difficulty in achieving orgasm, despite typical sexual desire and sexual stimulation. Generally, a man can reach orgasm within a few minutes of active thrusting during sexual inter ...

* Delayed puberty * Demographics of sexual orientation * Dendrophilia (paraphilia) * Dental dam * Desire (emotion) * Desire discrepancy *''

Deus caritas est ''Deus caritas est'' ( en, "God is Love"), subtitled ''De Christiano Amore'' (''Of Christian Love''), is a 2005 encyclical, the first written by Pope Benedict XVI, in large part derived from writings by his late predecessor, Pope John Paul I ...

'' * Dhat syndrome * Dildo * Diotima of Mantinea * Dippoldism *

Dirty Sanchez (sexual act) Coprophilia (from Greek κόπρος, ''kópros'' 'excrement' and φιλία, ''philía'' 'liking, fondness'), also called scatophilia or scat ( Greek: σκατά, ''skatá'' 'feces'), is the paraphilia involving sexual arousal and pleasure fr ...

* Dirty talk * Discipline (BDSM) * Document 12-571-3570 *

Dogging (sexual slang) Dogging is a British English slang term for engaging in sexual acts in a public or semi-public place or watching others doing so. There may be more than two participants; both group sex and gang banging can be included. As observation is enco ...

* Doll fetish *

Domination and submission Dominance and submission (also called D/s) is a set of behaviors, customs, and rituals involving the submission of one person to another in an erotic episode or lifestyle. It is a subset of BDSM. This form of sexual contact and pleasure has been ...

* Dominatrix *

Domnei Domnei or donnoi is an Old Provençal term meaning the attitude of chivalrous devotion of a knight to his Lady, which was mainly a non-physical and non-marital relationship. Principles This type of relationship was highly ritualized and complex ...

*" Don't Stand So Close to Me" * Don Juan * Donkey punch * DontDateHimGirl.com * Douche * Downblouse * Droit du seigneur * Dry enema *

Dry sex Dry sex is the sexual practice of having sexual intercourse without vaginal lubrication. Vaginal lubrication can be removed by using herbal aphrodisiacs, household detergents, antiseptics, by wiping out the vagina, or by placing leaves in the vagi ...

* Dual protection *

Dutch Society for Sexual Reform The Dutch Society for Sexual Reform ( nl, Nederlandse Vereniging voor Seksuele Hervorming, NVSH) is a Dutch sexual advocacy organization. The NVSH was founded in 1946, as the successor of the Dutch Neo-Malthusian League, a birth control organisati ...

Dydd Santes Dwynwen Saint Dwynwen (; 5th century), sometimes known as Dwyn or Donwen, is the Welsh patron saint of lovers. She is celebrated throughout Wales on 25 January. History and legend The original tale has become mixed with elements of folktales ...

Dyspareunia Dyspareunia ( ) is painful sexual intercourse due to medical or psychological causes. The term ''dyspareunia'' covers both female dyspareunia and male dyspareunia, but many discussions that use the term without further specification concern the f ...

E

* Easterlin hypothesis * Ecclesiastical response to Catholic sex abuse cases * Écriture féminine * Edging (sexual practice) * Education for Citizenship (Spain) * Effects of pornography * Effeminacy *

Egg cell The egg cell, or ovum (plural ova), is the female reproductive cell, or gamete, in most anisogamous organisms (organisms that reproduce sexually with a larger, female gamete and a smaller, male one). The term is used when the female gamete is ...

* Ego-dystonic sexual orientation * Ejaculation * Eli Coleman * Élisabeth Badinter * Emasculation * Embryo transfer * Emergency contraceptive availability by country *

Emetophilia Emetophilia, also known as Roman shower, is the sexual arousal from vomiting, being vomited on or watching others vomit. It is sometimes referred to as vomit fetish, and the fetish is considered a paraphilia. See also * Emetophobia Reference ...

* Emotional affair *

Emotional intimacy Emotional intimacy is an aspect of interpersonal relationships that varies in intensity from one relationship to another and varies from one time to another, much like physical intimacy. Emotional intimacy involves a perception of closeness to an ...

*'' Encyclopedia of Pleasure'' * Endocrinology * Enema * Enjo kōsai * Environment and sexual orientation *

Enzyte Enzyte is a herbal nutritional supplement originally manufactured by Berkeley Premium Nutraceuticals. The marketing of Enzyte resulted in a conviction and prison term for the company's owner and bankruptcy of the company. The product is now markete ...

* Ephebophilia *

Erectile dysfunction Erectile dysfunction (ED), also called impotence, is the type of sexual dysfunction in which the penis fails to become or stay erect during sexual activity. It is the most common sexual problem in men.Cunningham GR, Rosen RC. Overview of male ...

Erection An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. Penile erection is the result of a complex interaction of psychological, neural, vascular, ...

* Erogenous zone *

Eros (concept) Eros (, ; ) is a concept in ancient Greek philosophy referring to sensual or passionate love, from which the term '' erotic'' is derived. ''Eros'' has also been used in philosophy and psychology in a much wider sense, almost as an equivalent ...

* Erotic Awards * Erotic electrostimulation * Erotic humiliation *

Erotic hypnosis Erotic hypnosis is a broad term for a variety of erotic activities involving hypnosis. Some erotic hypnosis is practiced in the context of BDSM relationships and communities. In addition, for some people hypnosis is inherently erotic, making it a ...

Erotic lactation Erotic lactation is sexual arousal by breastfeeding on a woman's breast. Depending on the context, the practice can also be referred to as adult suckling, adult nursing, and adult breastfeeding. Practitioners sometimes refer to themselves as being ...

* Erotic literature *

Erotic massage Erotic massage is the use of massage techniques by one person on another person's erogenous zones for their sexual pleasure. The process may achieve or enhance the recipient's sexual excitation or arousal and sometimes achieve orgasm. The person ...

* Erotic sexual denial * Erotic spanking * Erotica * Eroticism * Eroto-comatose lucidity * Erotolepsy * Erotomania * Erotophilia * Erotophobia * Erotosexual * Eskimo kissing * Estrogen * Ethnic pornography *

Eve Kosofsky Sedgwick Eve Kosofsky Sedgwick (; May 2, 1950 – April 12, 2009) was an American academic scholar in the fields of gender studies, queer theory ( queer studies), and critical theory. Sedgwick published several books considered groundbreaking in the fiel ...

* Evolutionary psychology * Ex-gay movement *

Exhibitionism Exhibitionism is the act of exposing in a public or semi-public context one's intimate parts – for example, the breasts, genitals or buttocks. The practice may arise from a desire or compulsion to expose themselves in such a manner to group ...

* Exoletus * ExtenZe

F

Facesitting Facesitting, also known as queening or kinging, is a sexual practice with one partner sitting over the other's face, sometimes allowing for oral–genital or oral–anal contact. The sitting partner may face in either direction. The position a ...

* Facial * Falling in love * Fallopian tubes *

Family planning Family planning is the consideration of the number of children a person wishes to have, including the choice to have no children, and the age at which they wish to have them. Things that may play a role on family planning decisions include marita ...

* Family planning in India * Family planning in Iran *

Family planning in Pakistan Even though there is considerable demand for family planning in Pakistan, the adoption of family planning has been hampered by government neglect, lack of services and misconceptions. Demographics play a large role in Pakistan's development and s ...

* Fans of X-Rated Entertainment * Fat fetishism * Fear of commitment * Felching * Fellatio *

Female condom An internal condom (also known as a femidom or female condom) is a barrier device that is used during sexual intercourse as a barrier contraceptive to reduce the probability of pregnancy or a sexually transmitted infection (STI). Meant as an alter ...

* Female copulatory vocalization *

Female ejaculation Female ejaculation is characterized as an expulsion of fluid from the Skene's gland at the lower end of the urethra during or before an orgasm. It is also known colloquially as squirting (or gushing), although research indicates that female eja ...

Female genital cutting Female genital mutilation (FGM), also known as female genital cutting, female genital mutilation/cutting (FGM/C) and female circumcision, is the ritual cutting or removal of some or all of the external female genitalia. The practice is found ...

* Female hysteria * Female infertility * Female reproductive system * Female sex tourism * Female sexual arousal disorder * Female sodomy *

Female submission Female submission or femsub is an activity or relationship in which a woman consents to submit to the direction of a sexual partner or allows her body to be used sexually by or for the sexual pleasure of her partner. The expression is often ass ...

* Feminism * Feminist sex wars *

Feminist sexology Feminist sexology is an offshoot of traditional studies of sexology that focuses on the intersectionality of sex and gender in relation to the sexual lives of women. Sexology has a basis in psychoanalysis, specifically Freudian theory, which play ...

Feminist views of pornography Feminist views on pornography range from total condemnation of the medium as an inherent form of violence against women to an embracing of some forms as a medium of feminist expression. This debate reflects larger concerns surrounding feminist vi ...

Feminist views on BDSM Feminist views on BDSM vary widely from acceptance to rejection. BDSM refers to bondage and discipline, dominance and submission, and Sado-Masochism. In order to evaluate its perception, two polarizing frameworks are compared. Some feminists, such ...

* Feminization (activity) * Fertility *

Fertility-development controversy Income and fertility is the association between monetary gain on one hand, and the tendency to produce offspring on the other. There is generally an inverse correlation between income and the total fertility rate within and between nations. The hi ...

Fertility and intelligence The relationship between fertility and intelligence has been investigated in many demographic studies. There is evidence that, on a population level, measures of intelligence such as educational attainment and literacy are negatively correlated w ...

* Fertility rite * Fertility symbol * Fetish magazine * Fetish model * Fetus * Fictosexuality * Fingering *

Fisting Fisting, handballing, fist-fucking, brachiovaginal, or brachioproctic insertion is a sexual activity that involves inserting a hand into the vagina or rectum. Once insertion is complete, the fingers are either clenched into a fist or kept straig ...

* Fixation (psychology) * Fleshlight * Flirting * Flogging *

Follicular phase The follicular phase, also known as the preovulatory phase or proliferative phase, is the phase of the estrous cycle (or, in primates for example, the menstrual cycle) during which follicles in the ovary mature from primary follicle to a fully ...

* Food and sexuality * Food play * Foot fetishism * Footjob * Forced orgasm * Foreplay * Foreskin * Foreskin restoration * Formicophilia *

Fornication Fornication is generally consensual sexual intercourse between two people not married to each other. When one or more of the partners having consensual sexual intercourse is married to another person, it is called adultery. Nonetheless, John ...

* Foursome (group sex) *

Foxy boxing Foxy boxing is a form of sports entertainment which involves two or more women boxing (or pretending to do so) in a sexualized context as a form of erotic entertainment. The participants are typically dressed in revealing clothing such as bikinis ...

* Frank Harris * Fraternal birth order and male sexual orientation * Free love * Free Speech Coalition * Free union * French kiss * Friend zone * Frot * Frotteurism *

Fuck ''Fuck'' is an English-language expletive. It often refers to the act of sexual intercourse, but is also commonly used as an intensifier or to convey disdain. While its origin is obscure, it is usually considered to be first attested to aro ...

* Fuck for Forest * Fur massage

G

* Gametangium * Gamete * Gametogenesis * Gang bang * Gang bang pornography *

Gang rape Gang rape, also called serial gang rape, group rape, or multiple perpetrator rape in scholarly literature,Ullman, S. E. (2013). 11 Multiple perpetrator rape victimization. Handbook on the Study of Multiple Perpetrator Rape: A Multidisciplinary Re ...

* Gangbang * Gay * Gay bomb * Gay Kids * Gay pornography *

Geeta Nargund Geeta Nargund (MBBS FRCOG London) is a professor and medical doctor in the field of natural and mild IVF and Advanced Technology in Reproductive Medicine. Education and early career Nargund was born in 1960. Nargund studied MBBS at Karnatak ...

* Gender *

Gender and crime Sex differences in crime are differences between men and women as the perpetrators or victims of crime. Such studies may belong to fields such as criminology (the scientific study of criminal behavior), sociobiology (which attempts to demonstrat ...

* Gender apartheid * Gender identity * Gender identity disorder *

Gender identity disorder in children Gender dysphoria in children (GD), also known as gender incongruence of childhood, is a formal diagnosis for children who experience significant discontent (gender dysphoria) due to a mismatch between their assigned sex and gender identity. T ...

* Gender paradigm * Gender segregation and Islam * Genetic sexual attraction * Genital corpuscles * Genital modification and mutilation * Genital piercing *

Genital play Genital play is a common early childhood behavior of genital exploration distinct from autoerotic stimulation. This behavior is part of a normative period of children exploring all of their bodies, and some psychologists have even suggested genital ...

* Genital wart *

Genitourinary medicine Reproductive medicine is a branch of medicine concerning the male and female reproductive systems. It encompasses a variety of reproductive conditions, their prevention and assessment, as well as their subsequent treatment and prognosis. Reprodu ...

Genophobia Genophobia or coitophobia is the physical or psychological fear of sexual relations or sexual intercourse. The word comes from the Greek nouns (), meaning "offspring", and ' (), meaning "fear". This word is also formed from the Greek noun and ...

* George Santayana *

Georges Bataille Georges Albert Maurice Victor Bataille (; ; 10 September 1897 – 9 July 1962) was a French philosopher and intellectual working in philosophy, literature, sociology, anthropology, and history of art. His writing, which included essays, novels, ...

* Geriatric sexology *

German Society for Social-Scientific Sexuality Research The German Society for Social-Scientific Sexuality Research (German: ''Deutsche Gesellschaft für Sozialwissenschaftliche Sexualforschung'', DGSS) is a sexuality research and counselling organization (cf. sexology) based in Düsseldorf, Germany. I ...

* Gerontophilia *

Gestation period In mammals, pregnancy is the period of reproduction during which a female carries one or more live offspring from implantation in the uterus through gestation. It begins when a fertilized zygote implants in the female's uterus, and ends once it ...

* Giles' theory of sexual desire * Girlfriend * Girlfriend experience * Glans * Gloria E. Anzaldúa *

Glory hole A glory hole (also spelled gloryhole and glory-hole) is a hole in a wall or partition, often between public toilet, public lavatory cubicles or adult video arcade, sex video arcade booths and lounges, for people to engage in sexual activity or ...

Glove fetishism Glove fetishism is a form of sexual fetishism referring to a Human sexual activity, sexual preoccupation with gloves of various kinds. People with this fetish may be aroused by visualizing, wearing, or interacting with gloves or gloved hands. T ...

* Gofraid Donn * Gokkun * Golden Age of Porn *

Gonadarche Gonadarche () refers to the earliest gonadal changes of puberty. In response to pituitary gonadotropins, the ovaries in girls and the testes in boys begin to grow and increase the production of the sex steroids, especially estradiol and testoster ...

* Gonadotropin * Gonadotropin preparations *

Gonocyte Gonocytes are the precursors of spermatogonia that differentiate in the testis from primordial germ cells around week 7 of embryonic development and exist up until the postnatal period, when they become spermatogonia. Despite some uses of the term t ...

* Gonorrhea * Gratification disorder *

Greek love ''Greek love'' is a term originally used by classicists to describe the primarily homoerotic customs, practices, and attitudes of the ancient Greeks. It was frequently used as a euphemism for homosexuality and pederasty. The phrase is a produc ...

Greek words for love Ancient Greek philosophy differentiates main conceptual forms and distinct words for the Modern English word love: ''agápē'', ''érōs'', ''philía'', ''philautía'', ''storgē'', and ''xenía''. List of concepts Though there are more Gree ...

* Griselda Pollock * Groping *

Gross reproduction rate The gross reproduction rate (GRR) is the average number of daughters a woman would have if she survived all of her childbearing years, which is roughly to the age of 45, subject to the age-specific fertility rate and sex ratio at birth throughout t ...

* Grotesque body *

Group sex Group sex is sexual behavior involving more than two participants. Participants in group sex can be of any sexual orientation or gender. Any form of sexual activity can be adopted to involve more than two participants, but some forms have their ...

* Groupie * ''Growing Up'' (1971 film) *

Guy Hocquenghem Guy Hocquenghem (; 10 December 1946 – 28 August 1988) was a French writer, philosopher, and queer theorist. Biography Hocquenghem was born in the suburbs of Paris and was educated at the Lycée Lakanal in Sceaux and the Ecole Normale Supéri ...

Gynaecology Gynaecology or gynecology (see spelling differences) is the area of medicine that involves the treatment of women's diseases, especially those of the reproductive organs. It is often paired with the field of obstetrics, forming the combined are ...

* Gynoecium * Gynophobia

H

* Habitual abortion * Hair fetishism *

Haitian Vodou and sexual orientation Homosexuality in Haitian Vodou is religiously acceptable and homosexuals are allowed to participate in all religious activities. However, in West African countries with major conservative Christianity and sexual orientation, Christian and LGBT peo ...

* Hand fetishism * Handedness and sexual orientation * Handjob *

Hare Krishna movement and sexual orientation Hares and jackrabbits are mammals belonging to the genus ''Lepus''. They are herbivores, and live solitarily or in pairs. They nest in slight depressions called forms, and their young are able to fend for themselves shortly after birth. The ge ...

*''

Harmful to Minors ''Harmful to Minors: The Perils of Protecting Children From Sex'' ( ardcover aperback is a 2002 book by Judith Levine. The foreword was written by former United States Surgeon General Joycelyn Elders, who resigned after suggesting that mastu ...

'' * Harry Crookshank *

Hatred Hatred is an intense negative emotional response towards certain people, things or ideas, usually related to opposition or revulsion toward something. Hatred is often associated with intense feelings of anger, contempt, and disgust. Hatred is s ...

* Head shaving * Heather Corinna * Heavy petting * Hebephilia *

Heihaizi Heihaizi () or "black child" is a term applied in China. The term denotes children born outside the One child policy, or generally children who are not registered in the Hukou system, national household registration system. Background and histor ...

* Hélène Cixous *

Hentai Hentai is anime and manga pornography. A loanword from Japanese, the original term ( ) does not describe a genre of media, but rather an abnormal sexual desire or act, as an abbreviation of . In addition to anime and manga, hentai works exis ...

* Hepatitis *

Herpes simplex virus Herpes simplex virus 1 and 2 (HSV-1 and HSV-2), also known by their taxonomical names ''Human alphaherpesvirus 1'' and '' Human alphaherpesvirus 2'', are two members of the human ''Herpesviridae'' family, a set of viruses that produce viral inf ...

* Herpes support groups *

Heteroflexible Heteroflexibility is a form of a sexual orientation or situational sexual behavior characterized by minimal homosexual activity in an otherwise primarily heterosexual orientation, which may or may not distinguish it from bisexuality. It has been ...

* Heterosexual–homosexual continuum *

Heterosexuality Heterosexuality is romantic attraction, sexual attraction or sexual behavior between people of the opposite sex or gender. As a sexual orientation, heterosexuality is "an enduring pattern of emotional, romantic, and/or sexual attractions" to ...

* Hey Nineteen * Hickey * Hierophilia *

Hijra (South Asia) In the Indian subcontinent, hijra ur} bn, kn, te, pa, or, , and / ''khusra'' (Punjabi). are eunuchs, intersex people, or transgender people who live in ...

* Hirsutophilia *

History of attachment theory Attachment theory, originating in the work of John Bowlby, is a psychological, evolutionary and ethological theory that provides a descriptive and explanatory framework for understanding interpersonal relationships between human beings. In order t ...

* History of erotic depictions * History of evolutionary psychology * History of homosexuality * History of human sexuality *

History of masturbation The history of masturbation describes broad changes in society concerning the ethics, social attitudes, scientific study, and artistic depiction of masturbation over the history of sexuality. The sexual stimulation of one's own genitals has been ...

History of narcissism The concept of excessive selfishness has been recognized throughout history. The term "narcissism" is derived from the Greek mythology of Narcissus, but was only coined at the close of the nineteenth century. Since then, narcissism has become a ...

History of prostitution Prostitution has been practiced throughout ancient and modern culture. Prostitution has been described as "the world's oldest profession" although the oldest professions are most likely farmers, hunters, and shepherds. Ancient Near East The An ...

* History of sex in India * HIV * Hogging (sexual practice) *

Homoeroticism Homoeroticism is sexual attraction between members of the same sex, either male–male or female–female. The concept differs from the concept of homosexuality: it refers specifically to the desire itself, which can be temporary, whereas "homose ...

Homophobia Homophobia encompasses a range of negative attitude (psychology), attitudes and feelings toward homosexuality or people who are identified or perceived as being lesbian, gay or bisexual. It has been defined as contempt, prejudice, aversion, h ...

* Homosexuality * Homosexuality and psychology *

Hostile work environment In United States labor law, a hostile work environment exists when one's behavior within a workplace creates an environment that is difficult or uncomfortable for another person to work in, due to illegal discrimination. Common complaints in sexua ...

* Hot or Not * House party *'' How to Have Sex in an Epidemic: One Approach'' * Hug * Hugs and kisses * Human anus * Human bonding * Human female sexuality * Human fertilization * Human gonad * Human male sexuality * Human penis * Human population control * Human reproduction * Human reproductive system * Human sexual activity * Human sexual response cycle * Human sexuality * Human sterilization (surgical procedure) * Hybristophilia *

Hydatid of Morgagni The hydatid of Morgagni can refer to one of two closely related bodily structures: * Appendix of testis (in the male) * Paraovarian cyst Paraovarian cysts or paratubal cysts are epithelium-lined fluid-filled cysts in the adnexa adjacent to the ...

* Hydrocele testis *

Hyperactivation Hyperactivation is a type of sperm motility. Hyperactivated sperm motility is characterised by a high amplitude, asymmetrical beating pattern of the sperm tail ( flagellum). This type of motility may aid in sperm penetration of the zona pelluc ...

* Hypergamy * Hypergonadism * Hypersexual disorder * Hypersexuality * Hypoactive sexual desire disorder * Hypogonadism * Hyposexuality

I

*'' Ideal Marriage: Its Physiology and Technique'' *

Identity (social science) Identity is the qualities, beliefs, personality traits, appearance, and/or expressions that characterize a person or group.Compare ''Collins Dictionary of Sociology'', quoted in In sociology, emphasis is placed on collective identity, in which ...

* Imagery of nude celebrities * Immanuel Kant *

Impact play Impact play is a human sexual practice in which one person is struck (usually repeatedly) by another person for the gratification of either or both parties which may or may not be sexual in nature. It is considered a form of BDSM. There are a num ...

* Implantation (human embryo) * Imprinting (psychology) *''

In Praise of the Stepmother ''In Praise of the Stepmother'' is an erotic novel by Peruvian writer Mario Vargas Llosa, winner of the Nobel Prize in Literature in 2010. Published in 1988, it is about a sexually open couple whose fantasies lead them to the edge of morality. T ...

'' * In vitro fertilisation * Incest *

Incest in popular culture Incest is a popular topic in English erotic fiction; there are entire collections and websites devoted solely to incest, and there exists an entire genre of pornographic pulp fiction known as "incest novels". Incest is sometimes mentioned or descri ...

* Income and fertility *

Indecent exposure Indecent exposure is the deliberate public exposure by a person of a portion of their body in a manner contrary to local standards of appropriate behavior. Laws and social attitudes regarding indecent exposure vary significantly in different ...

Index of BDSM articles Index (or its plural form indices) may refer to: Arts, entertainment, and media Fictional entities * Index (A Certain Magical Index), Index (''A Certain Magical Index''), a character in the light novel series ''A Certain Magical Index'' * The In ...

Infertility Infertility is the inability of a person, animal or plant to reproduce by natural means. It is usually not the natural state of a healthy adult, except notably among certain eusocial species (mostly haplodiploid insects). It is the normal state ...

* Infidelity *

Inis Beag Inis Beag (Irish, 'Little Island') is a pseudonymous Irish island in the 1960s, as described by American cultural anthropologist John Cowan Messenger. Messenger lived on the island and studied the community in 1959 and 1960. He subsequently wrot ...

* Insemination *'' Inside Deep Throat'' * Institut für Sexualwissenschaft * Institute for Advanced Study of Human Sexuality *

Instruction and Advice for the Young Bride ''Instruction and Advice for the Young Bride'' purports to be a booklet written by Ruth Smythers in 1894 that states that women find sex displeasurable and discusses methods which a newly married woman may use to discourage her husband from sex. Al ...

* Intercrural sex *

Interferon tau Interferon tau (IFNτ, IFNT) is a Type I interferon made of a single chain of amino acids. IFN-τ was first discovered in ruminants as the signal for the maternal recognition of pregnancy and originally named ovine trophoblast protein-1 (oTP-1). ...

* International Academy of Sex Research *

International Fetish Day International Fetish Day is a day supporting the BDSM community. It originated in the United Kingdom as National Fetish Day and was first held on 21 January 2008. The first International Fetish Day was held on 16 January 2009 (the third Friday o ...

International Mr. Leather International Mr. Leather (IML) is an international, though largely American, conference and contest of leathermen held annually in May since 1979 in Chicago, Illinois. Every year, the event corresponds to the weekend of the United States' Mem ...

* Internet addiction disorder *

Internet pornography Internet pornography is any pornography that is accessible over the internet, primarily via websites, FTP servers peer-to-peer file sharing, or Usenet newsgroups. The availability of widespread public access to the World Wide Web in late 1990s ...

* Internet relationship * Interpersonal attraction *

Interracial personals Interracial personals or Interracial personal ads are personal advertisements intended to find romantic partners or friends ''Friends'' is an American television sitcom created by David Crane and Marta Kauffman, which aired on NBC from Sep ...

* Intersex * Intersex flag * Intersex human rights * Intimate relationship * Irrumatio *''

Is the School House the Proper Place to Teach Raw Sex? ''Is the School House the Proper Place to Teach Raw Sex?'' is a pamphlet written in 1968 by Gordon V. Drake and published by Billy James Hargis's Christian Crusade. It was a key document in the conservative fight against sex education in public sc ...

'' * Ishq *

Islam and sexual orientation Attitudes toward lesbian, gay, bisexual, and transgender (LGBT) people and their experiences in the Muslim world have been influenced by its religious, legal, social, political, and cultural history. The Quran narrates the story of the "people ...

* Islamic sexual jurisprudence *''

It's Perfectly Normal ''It's Perfectly Normal: Changing Bodies, Growing Up, Sex, and Sexual Health'' is a children's book written by Robie Harris and illustrated by Michael Emberley. The purpose of the book is to inform preadolescent children about puberty by exploring ...

'' *''

It's So Amazing ''It's So Amazing! A Book about Eggs, Sperm, Birth, Babies, and Families'' is a 1999 children's book about pregnancy and childbirth. It is written by Robie Harris and illustrated by Michael Emberley. Content The book is intended for tweens, ...

'' * It girl

J

Jacques Hassoun Jacques Hassoun (20 October 1936 – 24 April 1999) was a French psychoanalyst and proponent of the ideas of Jacques Lacan. Hassoun developed a theory of depression and a reparative theory of transmission. He wrote about certain pathologies ...

Jacques Lacan Jacques Marie Émile Lacan (, , ; 13 April 1901 – 9 September 1981) was a French psychoanalyst and psychiatrist. Described as "the most controversial psycho-analyst since Freud", Lacan gave yearly seminars in Paris from 1953 to 1981, and pu ...

* Jailbait * Jealousy *

Jewish views on love Judaism offers a variety of views regarding the love of God, love among human beings, and love for non-human animals. Love is a central value in Jewish ethics and Jewish theology. Love among human beings One of the core commandments of Judais ...

* Jewish views on marriage *

John D'Emilio John D'Emilio (born 1948) is a professor emeritus of history and of women's and gender studies at the University of Illinois at Chicago. He taught at the University of North Carolina at Greensboro. He earned his B.A. from Columbia College and Ph ...

John Sutcliffe (designer) John Sutcliffe (died 1987) was a British fashion designer and fetish photographer, famous in the 1950s, 1960s and 1970s as a designer of clothes for aficionados of leather, rubber and PVC fetishism, with an emphasis on rubber and leather catsuits ...

John William Lloyd J. William Lloyd (never using his given name John) (June 4, 1857 – October 23, 1940) was an American individualist anarchist, mystic and pantheist. Lloyd later modified his political position to minarchism. Biography He was born in Westfield ...

* Jolan Chang * Jonathan David Katz *

Josephine Mutzenbacher ''Josephine Mutzenbacher or The Story of a Viennese Whore, as Told by Herself'' (german: link=no, Josefine Mutzenbacher oder Die Geschichte einer Wienerischen Dirne von ihr selbst erzählt) is an erotic novel first published anonymously in Vie ...

* Jouissance *

Judaism and sexual orientation The subject of homosexuality and Judaism dates back to the Torah. The book of Vayikra ( Leviticus) is traditionally regarded as classifying sexual intercourse between males as a ''to'eivah'' (something abhorred or detested) that can be subject to ...

Judith Butler Judith Pamela Butler (born February 24, 1956) is an American philosopher and gender theorist whose work has influenced political philosophy, ethics, and the fields of third-wave feminism, queer theory, and literary theory. In 1993, Butler ...

Julia Kristeva Julia Kristeva (; born Yuliya Stoyanova Krasteva, bg, Юлия Стоянова Кръстева; on 24 June 1941) is a Bulgarian-French philosopher, literary critic, semiotician, psychoanalyst, feminist, and, most recently, novelist, who has ...

K

* K-Y Jelly *

Kagema is a Japanese term for historical young male sex workers. were often passed off as apprentice kabuki actors (who often engaged in sex work themselves on the side) and catered to a mixed male and female clientele. For male clients, the preferre ...

* Kama sutra *'' Kanashimi no Belladonna'' * Kegel exercise *

Ken Marcus Ken Marcus (born October 2, 1946) is an American Photographer, best known for his glamour photography with ''Penthouse'' and ''Playboy'' magazines. For over 40 years he has produced hundreds of centerfolds, editorials, album covers, and advert ...

* Khosrow and Shirin *

Kidding Aside Kidding Aside (The British Childfree Association) was founded in 2000 and exists in order to campaign for the rights of British childfree people. It is thought to be the first politically active childfree movement in the world and strives to intro ...

* KinK *

Kinky sex In human sexuality, kinkiness is the use of non-conventional sexual practices, concepts or fantasies. The term derives from the idea of a "bend" (cf. a "kink") in one's sexual behaviour, to contrast such behaviour with "straight" or "vanilla" sexu ...

* Kinsey Institute for Research in Sex, Gender, and Reproduction *

Kinsey scale The Kinsey scale, also called the Heterosexual–Homosexual Rating Scale, is used in research to describe a person's sexual orientation based on one’s experience or response at a given time. The scale typically ranges from 0, meaning exclusive ...

* Kiss * Kiss chase *

Kissing traditions Many societies have traditions which involve kissing. Kissing can indicate joy or be used as part of a greeting. Kissing involves the touching of one's lips to the lips or other body part, such as the cheek, head or hand of another person. Someti ...

*'' Kizzy: Mum at 14'' * Klein Sexual Orientation Grid * Klismaphilia *

Koro (medicine) Koro is a culture bound delusional disorder in which individuals have an overpowering belief that their sex organs are retracting and will disappear, despite the lack of any true longstanding changes to the genitals. Koro is also known as shr ...

Kukeri Kukeri ( bg, кукери; singular: kuker, кукер) are elaborately costumed Bulgarian men, who perform traditional rituals intended to scare away evil spirits. This Bulgarian tradition has been practiced since Thracian times and is of a Thr ...

L

L word ''The L Word'' is a television drama that aired on Showtime from January 18, 2004 to March 8, 2009. The series follows the lives of a group of lesbian and bisexual women who live in West Hollywood, California. The premise originated with Ilene Ch ...

Lack (manque) In Jacques Lacan's psychoanalytic philosophy, lack (french: manque) is a concept that is always related to desire. In his seminar ''Le transfert'' (1960–61) he states that lack is what causes desire to arise. Types of lack Lacan first design ...

* Lactation *

Lafayette Morehouse Lafayette Morehouse is an intentional community conceived in 1968 in Lafayette, California. PDF of article available at The lifestyle it practices is often referred to as “Morehouse”.Hermanson, Carol Ann (Freya). Lifestyles, Sexuality and Rel ...

*'' Laskey, Jaggard and Brown v United Kingdom'' * Latent homosexuality *

Latex and PVC fetishism Rubber fetishism, or latex fetishism, is the fetishistic attraction to people wearing latex clothing or, in certain cases, to the garments themselves. PVC fetishism is closely related to rubber fetishism, with the former referring to shiny clo ...

* Latex clothing *'' Lawrence v. Texas'' *'' Layla and Majnun'' * Leather fetishism * Leather Pride flag * Leather subculture * Legal objections to pornography in the United States * Legal recognition of intersex people *

Lesbian A lesbian is a Homosexuality, homosexual woman.Zimmerman, p. 453. The word is also used for women in relation to their sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate n ...

* Lesbian erotica *

Lesbianism A lesbian is a homosexual woman.Zimmerman, p. 453. The word is also used for women in relation to their sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate nouns with fema ...

* Leydig cell * LGBT * LGBT sex education * LGBT themes in speculative fiction *

LGBTI Health Summit The LGBTI Health Summits are an opportunity for individuals working for the health of intersex, trans, bisexual, lesbian and gay people to meet and share ideas. Attendees are mostly health activists, a mix of medical care professionals, alternat ...

Li Yannian (musician) Li Yannian (; died 90 BC) was a Chinese musician during the Han Dynasty. He became a court musician during Emperor Wu of Han, Emperor Wu's reign, but was eventually executed for treason. His wrote the song ''Jiaren Qu'' (Literal translation, li ...

Libertine A libertine is a person devoid of most moral principles, a sense of responsibility, or sexual restraints, which they see as unnecessary or undesirable, and is especially someone who ignores or even spurns accepted morals and forms of behaviour ob ...

* Libido * Life partner * Limbic resonance *

Limbic revision Limbic resonance is the idea that the capacity for sharing deep emotional states arises from the limbic system of the brain. These states include the dopamine circuit-promoted feelings of empathic harmony, and the norepinephrine circuit-originated ...

* Limerence * Lingerie * List of anarchist pornographic projects and models *

List of BDSM equipment This is a list of BDSM equipment: Restraints * Armbinder, Monoglove * Anal hook * Ball lock * Bondage cuffs * Bondage mittens * Bondage harness * Bondage belt * Bondage hood * Bondage tape * Bondage yoke - a yoke for BDSM play * Chain ...

List of BDSM organizations This is a list of educational, campaigning and community organizations related to BDSM. Where an organization clearly indicates on its website that membership is restricted by gender or sexual orientation, this is noted. Many BDSM organizat ...

* List of bondage positions *

List of fertility deities A fertility deity is a god or goddess associated with fertility, sex, pregnancy, childbirth, and crops. In some cases these deities are directly associated with these experiences; in others they are more abstract symbols. Fertility rites may acc ...

List of films that most frequently use the word "fuck" The use of profanity in films has often been controversial, but has increased significantly in recent years. The use of the word ''fuck'' in film draws particular criticism; in 2005, the documentary ''Fuck'' dealt entirely with this phenomenon. ...

* List of hentai authors * List of homologues of the human reproductive system *

List of PAN dating software PAN dating software is computer software to encourage conversation with others on a similar wireless network. * Bawadu * Bluedating * BlackPeopleMeet Retrieved 19 October 2016 * Live Radar * MobiLuck * Nokia Sensor * Proxy Dating See also * Lov ...

* List of paraphilias * List of pornographic book publishers * List of pornographic magazines * List of prostitutes and courtesans * List of sex positions *

List of sexology journals This is a representative list of academic and scientific journals in sexology (i.e., sexuality research) and its various subfields. Currently in print * ''Advances in Sexual Medicine'' () * ''AIDS and Behavior'' * ''AIDS Education and Preventi ...

* List of sexology organizations * List of sexual slang * List of sovereign states and dependent territories by fertility rate * List of topics on sexual ethics * Living and Growing *

Living apart together Couples living apart together (LAT) have an intimate relationship but live at separate addresses. It includes couples who wish to live together but are not yet able to, as well as couples who prefer to (or must) live apart, for various reasons. ...

Lolita ''Lolita'' is a 1955 novel written by Russian-American novelist Vladimir Nabokov. The novel is notable for its controversial subject: the protagonist and unreliable narrator, a middle-aged literature professor under the pseudonym Humbert Humber ...

* London amora *

Long-acting reversible contraceptive Long-acting reversible contraceptives (LARC) are methods of birth control that provide effective contraception for an extended period without requiring user action. They include injections, intrauterine devices (IUDs), and subdermal contracepti ...

Lookism Lookism is the discriminatory treatment of people who are considered physically unattractive. It occurs in a variety of settings, including dating, social environments, and workplaces. Lookism has received less cultural attention than other for ...

* ''Lost Girls'' (graphic novel) *

Lotion play Lotion play is a subset of the better known wet-and-messy fetish (WAM), which typically involves participants using food (such as pudding or whipped cream), mud, or paint as a lubricant to facilitate sexual activity. Lotion play uses lotion specif ...

* Love *

Love-in A love-in is a peaceful public gathering focused on meditation, love, music, sex and/or use of recreational drugs. The term was coined by Los Angeles radio comedian Peter Bergman, who also hosted the first such event on Easter, 26 March 1967 in ...

* Love–hate relationship *'' Love & Respect'' *

Love (sculpture) ''Love'' is a pop art image by American artist Robert Indiana. It consists of the letters L and O over the letters V and E in bold Didone type; the O is slanted sideways so that its oblong negative space creates a line leading to the V. T ...

* Love addiction * Love at first sight * Love dart *'' Love Is...'' * Love letter *

Love magic Love magic is the belief that magic can conjure sexual passion or romantic love. Love magic is often used in literature, like fantasy or mythology, and it is believed it can be implemented in a variety of ways, such as by written spells, dolls, ...

* Love padlocks * Love styles *

Love triangle A love triangle or eternal triangle is a scenario or circumstance, usually depicted as a rivalry, in which two people are pursuing or involved in a romantic relationship with one person, or in which one person in a romantic relationship with so ...

* Lovegety * Lovemap * Lovesickness * Lovestruck *

Loyalty Loyalty, in general use, is a devotion and faithfulness to a nation, cause, philosophy, country, group, or person. Philosophers disagree on what can be an object of loyalty, as some argue that loyalty is strictly interpersonal and only another h ...

Luce Irigaray Luce Irigaray (born 3 May 1930) is a Belgian-born French feminist, philosopher, linguist, psycholinguist, psychoanalyst, and cultural theorist who examined the uses and misuses of language in relation to women. Irigaray's first and most well know ...

* Lust * Lust murder

M

* Macrophilia *

Magnus Hirschfeld Medal The Magnus Hirschfeld Medal is awarded by the German Society for Social-Scientific Sexuality Research (DGSS) for outstanding service to sexual science, granted in the categories "Sexual Research" and "Sexual Reform". It is named in honour of Germa ...

* Making out *

Making sense of abstinence Making Sense of Abstinence is a collection of 16 lessons for teaching about sexual abstinence in the context of comprehensive sexuality education. According to the Minnesota Organization on Adolescent Pregnancy, Prevention, and Parenting, it is "a ...

* Male accessory gland *

Male dominance (BDSM) Male dominance, or maledom, refers to BDSM activities where the dominant partner is male. Practices of domination common to many BDSM and other various sexual relationships are also prevalent, such as various forms of body worship, cock and bal ...

Male infertility Male infertility refers to a sexually mature male's inability to impregnate a fertile female. In humans it accounts for 40–50% of infertility. It affects approximately 7% of all men. Male infertility is commonly due to deficiencies in the semen, ...

* Male prostitute * Male reproductive system * Male submission * Male waxing *

Mama-san A ''mama-san'' or ''mamasan'' is usually a woman in a position of authority, especially one in charge of a geisha house or bar or nightclub in East Asia. In Southeast Asia a mamasan is a woman who works in a supervisory role in certain establish ...

* Mammary intercourse *

Mandarin Chinese profanity Profanity in Mandarin Chinese most commonly involves sexual references and scorn of the object's ancestors, especially their mother. Other Mandarin insults accuse people of not being human. Compared to English, scatological and blasphemous refe ...

* Manual sex *

Marital rape Marital rape or spousal rape is the act of sexual intercourse with one's spouse without the spouse's consent. The lack of consent is the essential element and need not involve physical violence. Marital rape is considered a form of domestic vi ...

Marquis de Sade Donatien Alphonse François, Marquis de Sade (; 2 June 1740 – 2 December 1814), was a French nobleman, revolutionary politician, philosopher and writer famous for his literary depictions of a libertine sexuality as well as numerous accusat ...

* Marriage *'' Marriage and Morals'' *

Marriageable age Marriageable age (or marriage age) is the general age, as a legal age or as the minimum age subject to parental, religious or other forms of social approval, at which a person is legitimately allowed for marriage. Age and other prerequisites to ...

*'' Married Love'' * Masters and Johnson * Masters and Johnson Institute *

Masturbate-a-thon The Masturbate-a-thon is an event in which participants masturbate to raise money for charity and increase the public awareness and dispel the shame and taboos that exist about this form of sexual activity. From 1998 to 2003, the Masturbate ...

Masturbation Masturbation is the sexual stimulation of one's own genitals for sexual arousal or other sexual pleasure, usually to the point of orgasm. The stimulation may involve hands, fingers, everyday objects, sex toys such as vibrators, or combinatio ...

*Mat (Russian profanity) *Maternal bond *Maternal health *Mechanics of human sexuality *Mechanophilia *Media coverage of Catholic sexual abuse cases *Medical abortion *Medical fetishism *Meet market *Men who have sex with men *Ménage à trois *Menarche *Menstruation *Meretrix *Michael Uebel *Michel Foucault *''Mighty Jill Off'' *Mile high club *MILF Island *MILF pornography *Minors and abortion *Mirror stage *Misattribution of arousal *Misogyny *Mister Leather Europe *Mistress (lover) *Modern primitive *Monique Wittig *Monogamy *Monosexuality *''Mosley v News Group Newspapers'' *''Mosley v United Kingdom'' *Muscle worship *Mutual masturbation *''My Mom's Having a Baby'' *Mysophilia

N

*''Naked Ambition: An R Rated Look at an X Rated Industry'' *''Naked Science'' *Naked Women's Wrestling League *Name of the Father *Nanpa *Narcissistic parents *Narratophilia *National Birth Control League *National Gamete Donation Trust *National Longitudinal Study of Adolescent Health *National Sexuality Resource Center *National Survey of Sexual Health and Behavior *Natural fertility *Navel fetishism *Necrophilia *Necrophilia in popular culture *Neotantra *Net reproduction rate *Neuroscience and sexual orientation *New relationship energy *Nice guy *Nidamental gland *''Nightwork: Sexuality, Pleasure, and Corporate Masculinity in a Tokyo Hostess Club'' *Nin-imma *Nipple *Nipple clamp *No Kidding! *No Secrets (Adult Protection) *Non-heterosexual *Non-penetrative sex *North American Man/Boy Love Association *Nose fetishism *Nyotaimori

O

*Object sexuality *Objet petit a *Obscene phone call *Obscenity *Obsessive love disorder *Obstetrics *Oculophilia *Odalisque *Odaxelagnia *Olfactophilia *Omorashi *On-again, off-again relationship *Oncofertility Consortium *One-child policy *One sex two sex theory *OneChild *OneTaste *Online dating service *Oocyte selection *Oogamy *Open relationship *Operation Spanner *Opportunistic breeders *Oragenitalism *Oral sex *Orgasm *Orgy *Othermother *Otto Gross *''Our Bodies, Ourselves'' *Our Whole Lives *Outline of human sexuality *Outline of relationships *Ovary *Ovotestis

P

*Paddle (spanking) *Pansexual *Pansexual Pride flag *Pansexuality *Paraphilia *Paraphilic infantilism *Partialism *Party and play *Paternal bond *Pearl Index *Pearl necklace (sexual act) *Pederasty *Pederasty in ancient Greece *Pedophilia *Peer Health Exchange *Pegging (sexual practice) *Pelvic congestion syndrome *Penile fracture *Penile plethysmograph *Penile implant *Penile-vaginal intercourse *Penis captivus *Penis enlargement *Penis extension *Penis sleeve *''People v. Jovanovic'' *Perineum *Period of viability *Persistent genital arousal disorder *Personal lubricant *Perversion *''Perversion for Profit'' *Peter Abelard *Petroleum jelly *Peyronie's disease *Phalloorchoalgolagnia *Phallus *Philosophy of love *Philosophy of sex *Phone sex *Physical attractiveness *Physical intimacy *Physiology *Pillow talk *Pinafore eroticism *Piquerism *Platonic love *Play piercing *Playboy (lifestyle) *Playgirl *Playing doctor *Plietesials *Plurisexuality *Plushophilia *Polyamory *Polyfidelity *Polymorphous perversity *Polysexuality *Pompoir *POPLINE *Population Council *Porcine zona pellucida *Porn groove *Porn Sunday *Pornographic film actor *Pornography *Pornography addiction *Pornography in Italy *Pornophobia *Pornosonic *Post-coital tristesse *Post Office (game) *Postorgasmic illness syndrome *Precocious puberty *Pregnancy *Pregnancy fetishism *Pregnancy over age 50 *Premarital sex *Premature ejaculation *Premature ovarian failure *Premenstrual stress syndrome *Prenatal development *Prenatal hormones and sexual orientation *Priapism *Prick Up Your Ears (Family Guy) *Primal scene *Primary and secondary (relationship) *Prison rape *Prison sexuality *Privacy mode *Private Case *Promiscuity *Prostaglandin 2 alpha *Prostate *Prostate massage *Prostitution *Prostitution in Asia *''Prudence and the Pill'' *Psychoanalysis *Psychology of sexual monogamy *Psychopathia Sexualis (Richard von Krafft-Ebing book), Psychopathia Sexualis *Psychosexual disorder *Pubarche *Puberty *Pubic hair *Public display of affection *Public indecency *Public sex *Puppy love *Purity test *Pussy *Putative father registry

Q

*Queer *Queer heterosexuality *Queer pornography *Questioning (sexuality and gender) *Quickie (sexual act), Quickie *Quiverfull

R

*''R v Brown'' *''R v Peacock'' *''R. v. Hess; R. v. Nguyen'' *''R. v. Stevens'' *Rainbow flag (LGBT movement) *Randa Mai *Rape *Rape by deception *Rating site *Rectal prolapse *Rectum *Red Triangle (family planning) *Reefer Madness (2003 book), ''Reefer Madness'' (2003 book) *Reflectoporn *Refractory period (sex) *Regina Lynn *Relationship breakup *Religion and sexuality *Religious views on love *Religious views on pornography *Remarriage *Reproductive health *Reproductive Health Bill *Reproductive justice *Reproductive life plan *Reproductive medicine *Reproductive rights *Reproductive system disease *Robert Reid-Pharr *Robot fetishism *Roger T. Pipe *Roland Barthes *Roman Catholic sex abuse cases by country *Romance (love) *Romantic friendship *Rubber fetishism *Rusty trombone *Rutgers Nisso Group

S

*Sadism and masochism in fiction *Sadomasochism *Safe sex *Salirophilia *Same gender loving *San Francisco Armory *San Francisco Sex Information *Sanky-panky *Sarah Kofman *''Savage Grace'' *Savage Love *Schizoanalysis *Scientology and sexual orientation *Scopophilia *Scrotal inflation *Scrotum *Seasonal breeder *Secret admirer *Secret Museum, Naples *Section 63 of the Criminal Justice and Immigration Act 2008 *Seduction *Seduction community *Seishitsu *Self-love *Semen extender *Sensual play *Serial monogamy *Serial rape *Serosorting *Service-oriented (sexuality) *SESAMO *Settlements and bankruptcies in Catholic sex abuse cases *Seven minutes in heaven *Sex *Sex-positive feminism *Sex-positive movement *Sex Addicts Anonymous *Sex after pregnancy *Sex and drugs *Sex and Love Addicts Anonymous *Sex and sexuality in speculative fiction *Sex and the law *Sex assignment *''Sex at Dawn'' *Sex club *Sex doll *Sex education *Sex education in the United States *Sex in advertising *Sex in space *Sex industry *Sex machine *Sex magic *Sex manual *Sex museum *Sex organ *Sex party (group sex), Sex party *Sex positions *Sex scandal *Sex segregation *Sex shop *Sex steroid *Sex strike *Sex surrogate *Sex symbol *Sex therapy *Sex tourism *Sex toy *Sex toy party *Sex Week at Yale *Sex work *Sex worker *Sex workers' rights *Sex, gender and the Roman Catholic Church *''Sex: The Revolution'' *Sexaholics Anonymous *Sexercises *Sexism *Sexless marriage *Sexological testing *Sexology *Sexting *Sexual abstinence *Sexual abuse *Sexual activity during pregnancy *Sexual addiction *''Sexual and Reproductive Health Matters'' *Sexual anorexia *Sexual arousal *Sexual arousal disorder *Sexual assault *Sexual Attitude Reassessment *Sexual attraction *Sexual bimaturism *Sexual capital *Sexual Compulsives Anonymous *Sexual consent *Sexual desire *Sexual dysfunction *Sexual ethics *Sexual fantasy *Sexual fetishism *Sexual field *Sexual frustration *Sexual function *Sexual harassment *Sexual health clinic *Sexual identity *Sexual Identity Therapy *Sexual inhibition *Sexual intercourse *Sexual intimacy *Sexual meanings *Sexual medicine *Sexual minority *Sexual misconduct *Sexual morality *Sexual narcissism *Sexual network *Sexual norm *Sexual objectification *Sexual orientation *Sexual orientation and gender identity at the United Nations *Sexual orientation and military service *Sexual orientation and the Canadian military *Sexual orientation and the military of the Netherlands *Sexual orientation and the military of the United Kingdom *Sexual orientation and the United States military *Sexual orientation change efforts *Sexual orientation hypothesis *Sexual partner *Sexual penetration *''Sexual Personae'' *Sexual practices between men *Sexual practices between women *Sexual repression *Sexual reproduction *Sexual revolution *Sexual ritual *Sexual roleplay *Sexual script *Sexual selection in human evolution *Sexual slang *Sexual slur *Sexual stigma *Sexual stimulation *Sexual sublimation *Sexual tension *Sexual violence *''Sexual Violence: Opposing Viewpoints'' *Sexuality and disability *Sexuality and The Church of Jesus Christ of Latter-day Saints *Sexuality in ancient Rome *Sexuality in Ancient Rome *Sexuality in Christian demonology *Sexuality in Islam *Sexuality in Japan *Sexuality in music videos *Sexuality in older age *Sexuality in South Korea *Sexuality in Star Trek, Sexuality in ''Star Trek'' *Sexuality in China *Sexuality in the Philippines *Sexuality Information and Education Council of the United States *Sexuality of Abraham Lincoln *Sexuality of Adolf Hitler *Sexuality of David and Jonathan *Sexuality of Jesus *Sexuality of William Shakespeare *Sexualization *Sexually active life expectancy *Sexually suggestive *Sexually transmitted infection *Shalom bayit *Shelf (organization) *Shemale *Shettles Method *Shidduch *Shoe fetishism *Short-arm inspection *Sikhism and sexual orientation *Sima Qian *Simone de Beauvoir *Singles Awareness Day *Singles event *Sinthome *Situational sexual behavior *Skoptic syndrome *Sleep sex *Slut *Smirting *Smoking fetishism *Snowballing (sexual practice) *Social impact of thong underwear *Society for the Scientific Study of Sexuality *Sociobiological theories of rape *Sociosexual orientation *Sodomy *Sodomy law *Soggy biscuit *Somnophilia *Soulmate *Spandex fetishism *Spectatoring *Sperm *Sperm heteromorphism *Sperm motility *''Sperm Wars'' *Spermalege *Spermarche *Spermatheca *Spermatid *Spermatogenesis *Spermatogenesis arrest *Spermatorrhea *Spermatozoon *Spermicide *Spin the bottle *Spinster *Josephite marriage, Spiritual marriage *Spirituality *Spooning (cuddling) *Sporogenesis *Stag film *Stalag fiction *Star-crossed *''State v. Limon'' *Statutory rape *Stigma (1972 film), ''Stigma'' (1972 film) *Stillbirth *Stimulation of nipples *Strap-on dildo *Strip club *Strip poker *Stripper *Sub-replacement fertility *Sublimation (psychology) *Sumata *Survivors Healing Center *Survivors of Incest Anonymous *Suzanne Lilar *Swedish Association for Sexuality Education *Swing club *Swinging (sexual practice), Swinging *Sybian *Syphilis

T

*Tamakeri *Tanner scale *Tantric sex *Taoist sexual practices *Teabagging *Teenage pregnancy *Teenage pregnancy and sexual health in the United Kingdom *Teledildonics *Testicle *''The ABC of Sex Education for Trainables'' *The Abortion Pill (film), ''The Abortion Pill'' (film) *The birds and the bees *''The Chapman Report'' *''The Education of Shelby Knox'' *''The Enchanter'' *''The Encyclopœdia of Sexual Knowledge'' *''The Erotic Review'' *''The Ethical Slut'' *''The Family Doctor'' *''The Four Loves'' *''The G Spot and Other Recent Discoveries About Human Sexuality'' *''The History of Sexuality'' *The Imaginary (psychoanalysis) *''The Little Red Schoolbook'' *''The Man Who Would Be Queen'' *''The Seminars of Jacques Lacan *''The Sexual Life of Savages in North-Western Melanesia'' *The Symbolic *''The Theory of Flight'' *The Trouble With Normal (book), ''The Trouble With Normal'' (book) *Thelarche *Theology *Therapeutic abortion *Threesome *Thy Neighbor's Wife (book), ''Thy Neighbor's Wife'' (book) *Tickling game *Timeline of sexual orientation and medicine *Title X *Toothing *Top, bottom and versatile *Torture Garden (fetish club) *Total fertility rate *Total fertility rates by federal subjects of Russia *Tough love *Trans woman *Transactional sex *Transgender *Transgender pornography *Transgender Pride flag *Transgender sexuality *Transition nuclear protein *Transsexualism *Transvestic fetishism *Transvestism *Tribadism *Tunica albuginea (disambiguation), Tunica albuginea *Turkey slap *''Twenty Five Years of an Artist'' *Two-spirit

U

*UK Adult Film and Television Awards *Unconditional love *Unisex *Unitarian Universalism and sexual orientation *Unrequited love *Unsimulated sex in film *Upskirt *Urethral intercourse *Urethral sounding *Urogenital triangle *Urolagnia *Urology *Urophagia *Uterine serpin *Uterus

V

*Vagina *Vaginal lubrication *Vaginismus *Valentine's Day *Vanilla sex *Venous leak *Venus 2000 *Venus Butterfly *Vibrator (sex toy), Vibrator *Violet Blue (author) *Virginity *Virginity pledge *Virginity test *Virility *Virtual sex *Voltaire *Voluntary Parenthood League *Vorarephilia *Voulez-vous coucher avec moi? *Voyeurism *Vulnerability and Care Theory of Love *Vulva

W

*Wakashū *Walk of shame *Wanker *War rape *Warming lubricant *Wax play *Wayne DuMond *Westermarck effect *Wet and messy fetishism *Wet Lubricants *Wetlook *''Where Do Teenagers Come From?'' *''Why Is Sex Fun?'' *Wildlife contraceptive *Windmill Theatre *Womb veil *Women who have sex with women *World Association for Sexual Health *Wreath money

X

*XBIZ *XBIZ Award *XRCO Award *XXXchurch.com

Y

*Yoni *Youth Internet Safety Survey

Z

*Zestra * Zina *Zona pellucida *Zooerasty *Zoophilia *Zoosadism *Zoroastrianism and sexual orientation *Zygote *Zygote intrafallopian transfer