The phrase buttered bun is sometimes used to refer to the owner of the orifice in question. The glans itself may widen and lengthen as the stimulation continues, becoming slightly darker in colour, while the gliding action of the foreskin reduces friction. People may experience pleasure from anal sex by stimulation of the anal nerve endings, and orgasm may be achieved through anal penetration – by indirect stimulation of the prostate in men, indirect clitoral/G-spot stimulation in women, and associated sensory nerves . A scene where many women have sex with one man is referred to as a reverse gang-bang. Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive . It is also followed by dedicated industry publications and trade groups as well as the mainstream press, private organizations , government agencies, and political organizations. These styles are much closer to the style of bondage scenes in hot gay sex mainstream television. 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 in heterosexual relationships. Detective magazines, comic books and early fetish magazines In the early 20th century, Detective magazines covertly provided a way of publishing bondage imagery. Following the introduction of the Motion Picture Association of America film rating hentai porn system, independent animation producers attempted to establish an alternative to mainstream animation. Both sexes sometimes apply lubricating substances to intensify sensation. Real school shots or videos which are sexualized may violate privacy laws in some countries. Medical mature milfs pornography involves sexualized medical, often fake, including gynecological pelvic examinations, rectal examinations, and pelvic or gynecological ultrasounds. Although there may be no connection between coprophilia and sadomasochism , the limited data on the former comes from studies of the latter.
