Pigs, widely present in world cultures, have taken on many meanings and been used for many purposes in traditional arts, popular culture, and media. As one scholar puts it, people all over the world have made swine stand for "extremes of human joy or fear, celebration, ridicule, and repulsion."  They have become synonymous with negative attributes, especially greed, gluttony, and uncleanliness, and these ascribed attributes have often led to critical comparisons between pigs and humans.
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A number of idioms related to pigs have entered the English language.
Several of these idioms refer to the negative qualities traditionally ascribed to pigs. Thus, pigs are commonly associated with greed of various forms. The phrase "as greedy as a pig" can therefore be used in many contexts - in reference to gluttony ("to pig out") or the monopolisation of time or resources ("road hog" or "server hog", for example). Pigs are also associated with dirtiness, probably related to their habit of wallowing in mud.
As a general derogatory term, "pig" can be used as a slang term for either a police officer or a male chauvinist, the latter term being adopted originally by the women's liberation movement in the 1960s. It has also been widely used by many revolutionary and radical organizations to describe any supporter of the status quo, including police officers, industrialists, capitalists, and soldiers.
- The Ken Burns documentary, The Civil War, quotes U.S. President Abraham Lincoln as saying, "There's too many pigs for the tits," in reference to the number of people asking him for government jobs.
- Winston Churchill is said to have remarked "I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals."
- The phrase "You can put lipstick on a pig, but it's still a pig," refers to dressing something up (often a political issue), but not changing its underlying nature.
- The idiomatic phrase "when pigs fly" (or 'pigs might fly') refers to something that is unlikely to ever happen. Though its origins are much older, its popularity is reinforced by such popular references as in the Lewis Carroll poem The Walrus and the Carpenter and Pink Floyd's album Animals.
- In the United States, footballs are often referred to as "pigskins", despite the fact that they are actually made from cow leather. This phrase is said to refer back to the days of the migration of the pioneers towards the west who would often use the bladder of a pig to create a little ball or balloon for children to play with.
- "On the pig's back" (Irish: ar m(h)uin na muice) is an Irish expression meaning to be in a fortunate situation, or living an easy or luxurious lifestyle. The saying has given its name to an Irish rewards website, Pigsback.com, and was parodied in Black Books, with main character Bernard Black drunkenly slurring nonsensically that he and Manny Bianco are "on the pig's back, charging through a velvet field".
- "In a pig's eye" is an expression meaning, "That's not true." There are also variants to this saying, such as "In a pig's bottom."
- "Sweating like a Pig" to denote sweating profusely. While pigs do have sweat glands, they are not very effective, and pigs prefer wallowing in cool water or mud to keep cool. The origin of this phrase may have to do with cooking a whole pig on a spit over a fire. As the pig is cooked it begins to “sweat”. While opinion varies, a slight sweat is commonly considered ideal. Too much sweating means the fire is too high and too close to the pig. Too little or no sweating means the fire is too cold or too far from the pig.
- "Eating like a hog" refers to the subject having poor table manners.
- The Missouri folklorist Max Hunter collected a number of pig-related idioms:
- "It's plain as a pig on a sofa"
- "Clumsy as a hog on ice"
- "Content as a dead pig in the sunshine"
- "Wild as a peach-orchard hog"
- "As independent as a hog on ice". Someone stubbornly refusing any and all help.
- Another pig-related idiom from England is "buying a pig in a poke" (buying a piglet in a sack) which means committing yourself to something without carefully inspecting it first (in order to verify that it actually is what it was described as being).
- Thrifty (if not fussy) sausage-makers were said to use "everything but the squeal".
- A person who is determined to the point of "pigheadedness" means that they are determined to get something or obtain something to the degree where there is no longer any point in doing so. For instance, a person might be called pigheaded if he/she continued searching for unicorns, even after it was proved that they did not exist, just to show that he/she was not a quitter.
- The term "slicker than a greased pig" refers to an event that went well without any setbacks. The term "greased pig" can also refer to something that is difficult to obtain.
- "Pigs Get Fat. Hogs get Slaughtered" cautions against excessive greed (i.e. you can be a pig, but if you go too far you start to look like a meal).
- The expression "pig's arse" is an Australian colloquialism, signifying disbelief. It was popularized by the TV show Rubbery Figures.
- "As happy as a pig in mud", signifies someone is very happy.
- "Bleed like a stuck pig" is a phrase used to describe profuse bleeding, originating from a hog slaughtering technique whereby the pig is stabbed in a main artery, usually with an anticoagulant on the device used for stabbing, and dies by bleeding profusely. "Squealing like a stuck pig" is a phrase used to describe the squealing, a variation of the "bleed like a..".
- "Do not cast your pearls before swine" is a phrase of Biblical origin which instructs one not to share something of value with those who will not recognize its value.
- "Feeling like a pig in Tehran" is a Bosnian expression for being uncomfortable in a situation. Presumably because a pig has no place in Islamic surroundings.
- The phrase "sow's ear" or "pig's ear" means a useless object. To make a (total) pig's ear of something means to (totally) mess it up. To attempt to "make a silk purse out of a sow's ear" means to try in vain to make something good out of something worthless or inherently bad.
- "Sucking hind teat" refers to being in a tenuous or unsavory position. It is commonly used during poker games or tournaments. The phrase is based on the understanding that the anterior teats on a sow are considered to be more desirable than the posterior. The hind piglet must face the likelihood of being bumped off when a new piglet approaches, usually wedging between the first and second position.
- "To behave like a pig in a raspberry orchard" refers in Finland to greedy, immodest, uncontrollable and irresponsible behavior. Pigs are fond of raspberries and will consume them at will.
- "To wait like a pig for Christmas" refers in Finland to expect something very nasty and uncomfortable to happen in the near future while others anticipate a happy time. Ham is a traditional Christmas course in Finland.
In children's media
The most famous children's tale concerning pigs is that of the Three Little Pigs, which has appeared in many different versions since its first publication in the 1840s.
- In films and television:
- Many versions of the story have appeared in book form:
A popular English nursery rhyme and fingerplay, "This Little Piggy", originated in the 18th century and has been used frequently in film and literature. Several Warner Brothers cartoons, such as A Tale of Two Kitties (1942) and A Hare Grows In Manhattan (1947), use the rhyme to comic effect.
Several animated cartoon series have included pigs as prominent characters. One of the earliest pigs in cartoon was the character "Piggy", who appeared in four Warner Brothers' Merrie Melodies shorts between 1931 and 1937, most notably Pigs Is Pigs. Piggy's character was rooted in the synonymy of pigs with gluttony. Warner Brothers later developed the character Porky Pig, who shared some of Piggy's character traits. Porky Pig was a prominent character in Looney Tunes and Merrie Melodies cartoons, as well as made brief appearances in the films Who Framed Roger Rabbit (1988) and Looney Tunes: Back in Action (2003). The success of this character led to Warner Brothers' creating another pig character, that of Hamton J. Pig, who first appeared in the series Tiny Toon Adventures in 1990, as a student of Porky Pig's. Petunia Pig infrequently appeared in cartoons as Porky Pig's girlfriend. Two popular UK animated series with pigs as the main characters are Peppa Pig, which has been on television since 2004, and Pinky and Perky, who first appeared in the 1950s and were revived in 2008 in CGI form. Pigs also appear in Camp Lazlo and Iggy Arbuckle.
Miss Piggy is an anthropomorphized, fictional character from The Muppet Show television series, as are Captain Link Hogthrob and Dr. Julius Strangepork.
A. A. Milne's Winnie the Pooh stories and the Disney films based on them contain the supporting character, Piglet.
In the children's book Charlotte's Web, and the films based on it, the central character Wilbur is a pig who formed a relationship with a barn spider called Charlotte.
Babe and its sequel are films about a pig who wants to be a Herding dog, based on the character in the novel by Dick King-Smith. The original Babe film was released in the same year as the less successful film Gordy, which also featured a pig as its main character.
In Hong Kong, two popular children's cartoon pig characters are McDull (Chinese: 麥兜), created by Alice Mak and Brian Tse (who also created another cartoon pig called McMug). Both characters have appeared in numerous comic books, and McDull has starred in three films: My Life as McDull (2001), McDull, Prince de la Bun (2004), and McDull, the Alumni (2006).
Art, entertainment, and media
Anime and manga
- Kagura Sohma, from the anime and manga Fruits Basket, transforms in the Pig of the Chinese zodiac when she is hugged by a boy or her body is under too much stress.
- In the manga Naruto, Tsunade has a pet pig named Tonton, who has the ability to track other things by her sensitive sense of smell.
- In the popular anime and manga series Ranma 1/2, the character Ryoga Hibiki suffers from a curse which causes him to transform into a black piglet nicknamed "P-chan", when splashed with cold water.
- In the magical girl parody anime and manga series Tonde Burin, the main character can transform into a superpowered pink piglet.
- Oolong, an anthropomorphic pig, is a protagonist in the Dragon Ball series manga and anime.
- Ralph Bakshi's 1972 Fritz the Cat features a pair of anthropomorphic pig police officers.
The Learned pig studying Latin grammar
- The Learned Pig was a trained animal who appeared to be able to answer questions. It was referred to in numerous poems and cartoons.
- Val Kilmer's character Madmartigan in Ron Howard's film Willow is also transformed into a pig, along with other men.
- In the Nightmare on Elm Street series of movies, the character Freddy Krueger often refers to his victims, usually teenagers, as "piggies".
- The film Razorback is about a killer hog/razorback.
- In the Guy Ritchie movie Snatch the character Brick Top claims that pigs can be used as a means of disposing of dead bodies, providing numerous methods for ensuring that the corpse is devoured in a single sitting, and even going so far as to note how many pounds of uncooked flesh can be eaten per minute - concluding by quoting the popular expression "As greedy as a pig".
- The film Layer Cake features a scene in which pigs are devouring remains of a human corpse to dispose of any possible evidence of murder.
- In the slasher/drama film Hannibal, pigs are trained to eat Hannibal Lecter, however he escapes and turns them upon his captor and a henchman, who are both gorily devoured.
- In the Alfonso Cuarón film The Children of Men (2006), a pig is anchored between the chimneys of Battersea Power Station in an accurate recreation of the cover of Pink Floyd's album Animals. The pig can be seen prominently on screen for several minutes.
- School Days With a Pig (ブタがいた教室) (2008) is a Japanese film about a teacher and his class students feed up a pig and send it to the meat factory.
- In the Saw films, the symbolism of pigs was used as a motif of an implicit theme relating to the dark side of human nature. Tobin Bell's character The Jigsaw Killer wears a pig mask in Saw (2004).
- In Hayao Miyazaki's animated film Spirited Away, the protagonist's parents are transformed into pigs, as punishment for eating "spirit food"; an example of their greed and gluttony. Hayao Miyazaki uses this theme to represent the consumerism and materialism he sees in modern-day Japan's society.
- In John Boorman's film Deliverance, one of the characters is ordered at gunpoint to "squeal like a pig" as he's being raped by a mountain man.
- In National Lampoon's Animal House, John "Bluto" Blutarsky (John Belushi) is eating untidily. Disgusted at the sight of Bluto's bad manners, a woman calls him "...a P-I-G pig!", which eventually leads to a food fight.
- In Lloyd Alexander's fantasy books The Chronicles of Prydain one of the characters (Hen Wen) is a pig possessive of foresight and is used to see the future and locate mystical items such as The Black Cauldron.
- In Wu Cheng'en's Chinese novel Journey to the West, Zhu Bajie is a part human, part pig, literary character.
- In William Golding's Lord of the Flies there is a character who is nicknamed "Piggy" because he is obese. Additionally, the pig is used to represent Beelzebub, depicted here as a boar's head on a stick ("lord of the flies" is the direct translation of בעל זבוב, Hebrew for Beelzebub).
- Heraclitus referred to the preference pigs have for mud over clean water in the Fragments.
- In William Hope Hodgson's The House on the Borderland, the protagonist is attacked by swine-creatures.
- Arthur Leung's poem What the Pig Mama Says is about a pig mama's feeling about her three children being killed. It won the 3rd (global) of the Edwin Morgan International Poetry Competition 2008.
- In George Orwell's allegorical novel Animal Farm, the central characters who represent different Soviet leaders are pigs.
- Paul Shipton's book The Pig Scrolls features Gryllus, a former member of Odysseus' party who was transformed into a pig by Circe.
- In Art Spiegelman's graphic novel Maus, the Poles are represented by pigs.
- In P. G. Wodehouse's comic stories set in Blandings Castle, the eccentric Lord Emsworth keeps a prize pig called the Empress of Blandings. The pig features prominently as a plot device, being frequently stolen, kidnapped or otherwise threatened.
Albums and EPs
(Alphabetical by series title)
- Mervis, a pig who has various misfortunes, is one of CatDog's best friends in CatDog, voiced by John Kassir.
- The Dark Lord Chuckles the Silly Piggy from the cartoon series Dave the Barbarian is an evil pig with a high-collared cape (and equally high voice) bent on ruling Udrogoth.
- In the 2007 episodes of Doctor Who named Daleks in Manhattan and Evolution of the Daleks the Daleks turn the citizens of 1930's New York into half-pig and half-human creatures referred to as Pig Slaves.
- Arnold Ziffel was a popular recurring character on the CBS television series, Green Acres. He was often portrayed as having exceptional intelligence (watching TV, going to school, engaging in conversation with most Hooterville humans, except Oliver Douglas) and was treated as the real son of townsfolk, Fred and Doris Ziffel.
- The protagonist of the animated series Hey Arnold! owns a pet pig named Abner, voiced by the show's creator Craig Bartlett
- Invader Zim shows pigs as a recurring motif referencing the filthy themes. For example, "Walk of Doom" shows a pig head in a shop window.
- "An Elephant Makes Love to a Pig" is an episode of South Park, in which the boys try to cross-breed Cartman's pig with Kyle's elephant. A pig was also referenced in ManBearPig of the same program, where former U.S. Vice President Al Gore warned the public of a "half man, half bear and half pig".
- The video game Amnesia: A Machine for Pigs features numerous examples of symbolism relating to pigs, from decorative pig masks to abominable monsters made of pig and human body parts meant to convey the idea that all people are little more than gluttonous, selfish, disgusting swine.
- The Angry Birds franchise video game Angry Birds (2009), puzzle game Bad Piggies (2012), and animated television series Angry Birds Toons feature green pigs as the antagonists of the birds, who are the protagonists.
- The video game Beyond Good & Evil features an anthropomorphic pig named Pey'j as one of the main characters.
- The fictional character Wizpig is the main villain in Diddy Kong Racing.
- Lars Umlaut from the Guitar Hero video game series transforms into a pig-like beast in Guitar Hero: Warriors of Rock.
- The video game Hogs of War is based upon World War I but instead features anthropomorphic pigs with human characteristics than actual people.
- In the video game Mother 3 the primary antagonist Porky Minch is referred to as the Pig King, and leads the Pig Mask Army.
- In the Pokémon Series of video games, the Pokémon Swinub is based on a pig. Its evolved forms Piloswine and Mamoswine have traits based on pigs and woolly mammoths. The Pokémon Spoink and its evolved form Grumpig also resemble pigs. The Pokémon Tepig is also based on a pig.
- In The Legend of Zelda series, the main antagonist, Ganon, has the ability to transform into a pig or boar-like deity, a metaphor for his thirst for power and greed.
- In the video game, Overwatch, one of the playable heroes, Roadhog, wears a mask in the shape of a pig's head and has a tattoo of a flaming pig on his large belly. He also makes several references to pigs in his voicelines (ex. When injured he yells "I'm bleeding like a stuck pig!")
- In Don't Starve, the character Wilson wears a pig outfit as his Halloween costume for Hallow Night in addition to the player encountering Pigmen and the Pig King.
- In Minecraft, players can raise pigs and encounter a mob known as Zombie Pigman.
- Bamfield. "Pigs in Religion and Folklore". Professor Bamfield's Rare-Breed Pigs.
- Fabre-Vassas, Claudine (1997). The Singular Beast: Jews, Christians & the Pig. New York: Columbia University Press. ISBN 0231103662.
- Harris, Marvin (1974). Cows, Pigs, Wars & Witches: The Riddles of Culture. New York: Random House. ISBN 0394483383.
- Hayford, Charles W. (January 27, 2007). "Pigs, Shit, and Chinese History, or, Happy Year of the Pig!". Frog In a Well.
- Horwitz, Richard P. (2002). Hog Ties: Pigs, Manure, and Mortality in American Culture. Minneapolis: University of Minnesota Press. ISBN 0816641838.
- Lobban, Jr., R.A. (1994). "Pigs and Their Prohibition". International Journal of Middle East Studies. 26 (1): 57–75.