Deviant sexual intercourse or deviate sexual intercourse is, in some

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...

s, a legal term for "any act of sexual gratification involving the

sex organ A sex organ (or reproductive organ) is any part of an animal or plant that is involved in sexual reproduction. The reproductive organs together constitute the reproductive system. In animals, the testis in the male, and the ovary in the female, a ...

s of one person and the mouth or

anus The anus (Latin, 'ring' or 'circle') is an opening at the opposite end of an animal's digestive tract from the mouth. Its function is to control the expulsion of feces, the residual semi-solid waste that remains after food digestion, which, d ...

of another, anus to mouth or involving invasion of the anus or

vagina In mammals, the vagina is the elastic, muscular part of the female genital tract. In humans, it extends from the vestibule to the cervix. The outer vaginal opening is normally partly covered by a thin layer of mucosal tissue called the hymen ...

of one person by a foreign object manipulated by another person". Typically, the act itself (whether consensual or not) used to be a crime, but the term is now used to describe forcible or otherwise involuntary acts that differ from the crime of

rape Rape is a type of sexual assault usually involving sexual intercourse or other forms of sexual penetration carried out against a person without their consent. The act may be carried out by physical force, coercion, abuse of authority, or ag ...

(sometimes deviant sexual intercourse is included in the definition of rape), in the way that

indecent assault Indecent assault is an offence of aggravated assault in some common law-based jurisdictions. It is characterised as a sex crime and has significant overlap with offences referred to as sexual assault. England and Wales Indecent assault was a broad ...

might be used in other states and countries. In the United States, the term has replaced

sodomy Sodomy () or buggery (British English) is generally anal or oral sex between people, or sexual activity between a person and a non-human animal ( bestiality), but it may also mean any non- procreative sexual activity. Originally, the term ''sodo ...

in the criminal codes of some states, including

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

and

Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virginia to ...

. As an example, Section 3101 of the

Pennsylvania Consolidated Statutes The ''Pennsylvania Consolidated Statutes'' are the official compilation of session laws enacted by the Pennsylvania General Assembly. Pennsylvania is undertaking its first official codification process. It is published by the Pennsylvania Legisla ...

defines 'deviate sexual intercourse' as 'Sexual intercourse

per os Oral administration is a route of administration where a substance is taken through the mouth. Per os abbreviated to P.O. is sometimes used as a direction for medication to be taken orally. Many medications are taken orally because they are in ...

or per anus between human beings and any form of sexual intercourse with an animal. The term also includes penetration, however slight, of the genitals or anus of another person with a foreign object for any purpose other than good faith medical, hygienic or law enforcement procedures.' On March 31, 1995, 'Section 3124. Voluntary deviate sexual intercourse' was repealed; it was no longer considered a criminal offense to engage in such activity voluntarily. The consensual practice of anal or oral sex was legalised by the 2003 U.S. Supreme Court case of ''

Lawrence v. Texas ''Lawrence v. Texas'', 539 U.S. 558 (2003), is a landmark decision of the U.S. Supreme Court in which the Court ruled that most sanctions of criminal punishment for consensual, adult non- procreative sexual activity (commonly referred to as so ...

''.

References

Sex crimes {{law-term-stub