This fetish sometimes originates from childhood memories of needing, or of seeing another needing, to urinate. Oral sex pornography frequently features a person performing fellatio, and less frequently cunnilingus. Entacle erotica describes a type of pornography most commonly found in Japan which integrates traditional pornography with elements of bestiality and a fantasy, horror, or science-fiction theme. Even though the performers who perform in these films typically appear on many reality websites within a short span of time, most of these websites claim that each of them is an amateur. Sex parties may be organized to enable people to engage in casual sexual activity or for swinging couples or people interested in group sex to meet, but any gathering where sexual activity is anticipated can be called a sex party. What seems clear from the historical record is that much of the lesbian material in pornographic texts was intended for a male readership. It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. Sadomasochism is practiced in isolation relatively rarely, though some masochists report biting, pinching, or even stun-gunning themselves as a prelude to, or as part of, masturbation. Softcore gay pornography also exists; it at one time constituted the genre, and may be produced as beefcake pornography for heterosexual female and homosexual male consumption. Individuals are also sometimes abbreviated when referred to in writing, so a dominant person may be referred to as a Dom for a man, gay twink porn and a Domme for a woman. Rape pornography mature milfs features performers simulating rape. A survey by the New York City Department of Health and Mental Hygiene found that heterosexual women are more likely to bareback when engaging in anal sex than homosexual and bisexual men. While anal sex is commonly associated with male homosexuality, research shows that not all gay males engage in anal sex and that it is not uncommon gay hentai in heterosexual relationships.
