Group sex is sexual behavior involving more than two participants. Bhabha, Anne McClintock and Kobena Mercer. Pornography is often referred to as porn and a pornographic work as a porno. Can also include auto-fellatio, or performing oral sex on oneself. See Gay-for-pay. Pleasure for the giver during anilingus is usually based more on the principle of the act. Others involve partners who naturally have a significant difference in size. Women in homosexual relationships responded to this designation either by hiding their personal lives or accepting the label of outcast and creating a subculture and identity that developed in Europe and the United States. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. Guro or Gore is a genre of Japanese pornography involving blood, gore, disfiguration, violence, mutilation, urine, enemas, or feces. The first film was gay fuck released in 1980 starring Kay Parker. In the context of consensual erotic activities, sadism and masochism are not strictly accurate terms; there is a significant difference from the medical or psychological usage of both terms. The interaction between tops and bottoms—where physical or mental control of the bottom is surrendered to the top—is sometimes known as power exchange, whether in the context of an encounter or a relationship. 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. A facial is a form of non-penetrative sex, though it is generally performed after some other means of sexual stimulation, such as vaginal sex, anal sex, oral sex or masturbation. When all regions of the face are included, facial cum shots comprise hentai movies approximately 62% of scenes where external ejaculation occurs. The term is a slang word that originated in the gay community and comes from the equestrian term bareback, which refers to the practice of riding a horse momporn mobile porn movies without a saddle.