Transgender pornography features performers who cross-dress for sexual gratification, either for themselves or for their partners. 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. The original definition of dogging – and which is still a closely related activity – is spying on couples having sex in a car or other public place. Hamedori is a genre of Japanese pornography in which a male adult video actor or director serves as the camera operator. A sub-set of vaginal fisting attempts to photograph the female cervix immediately after the fist is removed from the now-gaping vagina. Bisexual pornography is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. The arousal from being desperate comes from the sensation of having a full bladder. There is no singular or archetypical behavior; therefore, gay twinks a wide range of thought patterns and behaviors exist, but all tends to be a harmless anime hentai and efficacious release from some kind of pressure. The Silent Duck, also called Duck-Billing, big tit milf is the technique often used in which the person engaging in hand insertion shapes the hand to resemble a duck beak. Many men who like trans partners of any variety, known as tranny chasers, do not necessarily identify as gay themselves. If ejaculation is onto the other person face it can be called a facial. As of 2013, little analysis of this paraphilia has been reported in medical literature. Voyeurism: Seeing another urinate without the person knowledge either through video taping by a hidden camera, or by lurking in locations where people are urinating or are likely to have an urge to urinate. This stop and go build-up, known as edging, can achieve even stronger orgasms. A homosexual threesome would involve either three men or three women. There may be more than two participants; both group sex and gang banging can be included.