Barebacking usually refers to a conscious mature milfs and deliberate choice to forgo condoms. Terminology for roles varies widely within the various BDSM subcultures. Some pornographic films use an artificial semen substitute to simulate or enhance creampie shots. Stimulating the prostate from outside, via pressure on the perineum, can be pleasurable as well. 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. Snowballing or snowdropping is the human sexual practice in which one person takes someone else semen into his or her mouth and then passes it to the mouth of the other, usually through kissing. The niche popularity grew significantly in the latter half of the first decade of the 2000s. There is, however, no third party camera work involved. Clothed male, naked female is one-sided female nudity in which one or more females are nude while one or more men are clothed. This can, however, redirect semen into the bladder . Mutual masturbation, mutual manual stimulation of the genitals between partners, can be a substitute for sexual penetration. These actors often play the top roles but this is not always the case, such as with Kristen Bjorn and some Bel Ami models. Female dominance refers to BDSM relationships and BDSM scenes in which the dominant partner is female. Works in this genre may be considered adult for any number of reasons. Buttocks are sometimes emphasized in pornography, where they are often referred to as booty. Other fetish Bareback pornography features performers who are not wearing condoms. Lolita pornography features women who are gay sex video 18 years old or slightly older, who pretend to be underage teen girls. Multiple men and women 3d hentai Bisexual pornography features one woman and two men who all perform sex acts on each other. Foot fetish pornography features heavy emphasis on the feet of the participants, either in combination with kissing and genital sex or in the context of acts such as trampling or crush fetishism.