1) The act of making a woman feel like a pig during sexual intercourse. At any point whilst taking the woman from behind, the man must wrap his arm around to the woman's face and pull her nose upwards by her nostrils using his forefinger and middle-finger. The man then has the option of either squealing like a pig or yelling the word 'oink!' repeatedly. Or continuing in silence.

2) The act of making a woman feel like a pig at any time other than during sexual intercourse. A man must approach any woman, at any time from behind; forcefully grasp her with his left arm so she cannot get away; with all his body weight, he must force her down so she is bent over; and then he must pull her head back towards him by her nostrils using the forefinger and middlefinger of his right hand.

Pig sex is a fairly common but rarely discussed fetish where the fetish object is someone who the individual finds grossly unattractive, perhaps even repulsive.

A pig sex fetish is different from the tendency for undersexed or hypersexual individuals to select unattractive partners who represent the easiest opportunity to engage in sexual intercourse. People interested in pig sex actively fetishize and pursue sexual experiences with others they subjectively feel are very ugly, it is the very ugliness which is the turn on for these individuals. Pig sex fetishists are often capable of having an active sex life with people they consider more attractive and tend to indulge their fetish every now and then.

Both heterosexual and homosexual males and females are known to indulge and a pornographic sub-genre has a presence on the web, usually prefixed as 'nasty' or 'ugly.'

The taboo nature of pig sex is probably a combination of two factors.

1. People in friend groups tend to judge each other by the attractiveness or personality of each other's casual or longterm partners. Openly indulging in or admitting to feeling intrigued by pig sex is likely to draw explicit and/or implicit criticism in all but the most open minded of friend groups.

2. Actually admitting to a partner that you wanted to have intercourse with them because they are th...