Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person anus, or anus and rectum, for sexual pleasure. Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films. Internal ejaculations, followed by images of semen dripping from the anus, are sometimes depicted in bareback gay pornography, where they are referred to by the term breeding or the reverse money shot. The consent and compliance for a sadomasochistic situation can be granted only by people who can judge the potential results. In some societies, the terms fox, plum, chick, or chicken are preferred. An orgy is a gathering where guests freely engage in open and unrestrained sexual activity or group sex; and a bunga bunga orgy is an orgy in which participants have sex underwater, such as in a swimming pool or a hot tub. It is commonly depicted in pornography, but very rarely in mainstream cinema. Depictions of male and female masturbation are common in pornography, including gay pornography. Enema pornography involves adults given enemas to others, nude milfs often fake. There is also some evidence that pornography can be used to treat voyeurism. Pegging is a sexual practice in which a woman performs anal sex on a man by penetrating the man anus with a strap-on dildo. Pornographic films are generally classified into sub-genres which describe the sexual fantasy which the film and actors attempt to create. Big Beautiful Woman is a euphemism for an overweight woman and is frequently used in the context of fat fetishism. The term discipline describes psychological restraining, with the use of rules hentai porn and punishment to control overt behavior. The term hentai is never used in this context in Japanese. Amateur porn has gay cock been called one of the most profitable and long-lasting genres of pornography. Reflective of its views on sexuality and culture, Japanese pornography delves into a wide spectrum of heterosexual, homosexual, and transgender sexual acts in addition to unique fetishes and philias.