There is, however, no third party camera work involved. Several hundred exclusively pegging films were produced, as well as twice as many bisexual and straight films with strap-on scenes. The name is a reference to gonzo journalism, in which the reporter is part of the event taking place. Bukkake is a sex act portrayed in pornographic films, in which several men ejaculate on a woman, or another man. The definition clash also appears with the English definition of yuri as any lesbian relationship, as opposed to its sexually explicit definition in Japan. The range of its individual characteristics is thereby wide. This makes varying degrees of stimulation an integral part of oral sex for many men. Some may keep their hand stationary while pumping into it with pelvic thrusts in order to simulate the motions of sexual intercourse. The phrase buttered bun is sometimes used to refer to the owner of the orifice in question. Is also common of milf xxx the furry genre. Women who perform in lesbian pornography often do not consider themselves lesbian or bisexual. In human sexuality, a threesome is sexual activity that involves three people at the same time. The term combines elements of the Freudian psychoanalytic fetish and the Marxist commodity fetish, and is used in the context of British, Spanish and French colonialism and imperialism and their aftereffects. Patricia Hill Collins, an African-American writer, theorizes that this is derived from a stereotype that those of black descent are promiscuous, gay twinks and their buttocks are objectified by porn as a result. Threesome can also refer to a love triangle, a three-way romantic relationship. Sexual orientation hentai sex Pornography features an increasing variety of combinations of actors by their sexual orientation such as lesbian, gay, bisexual, and transsexuals in addition to traditional heterosexual roles. Sub-genres can also be classified into the characteristics of the performers or the type of sexual activity on which it concentrates, and not necessarily on the market to which each sub-genre appeals.