Lolita pornography features women who are 18 years old or slightly older, who pretend to be underage teen girls. Use of the agreed safeword is seen by some as an explicit withdrawal of consent. Irrespective of the legal or social view of pornography, it has been used in a number of contexts. Clothed male, naked female is one-sided female nudity in which one or more females are nude while one or more men are clothed. Fisher said that perhaps, the fleshy, rounded buttocks attracted males during rear-entry intercourse. Jerk off instruction features a performer encouraging or instructing the viewer to masturbate, often culminating in a countdown at the end of which the viewer is invited to induce orgasm. In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as Homi K. Several hundred exclusively pegging films were produced, as well as twice as many bisexual and straight films with strap-on scenes. The original definition of dogging – and which is still videos gays a closely related activity – is spying on couples having sex in a car or other public place. Double Stuffed , Double Vaginal , or Double Anal pornography involves the penetration of one orifice by two penises or other objects. Pregnancy fetishism is a context where pregnancy is seen by individuals or cultures as an erotic phenomenon. This stop and go build-up, known as edging, can achieve even stronger orgasms. Female dominance refers to BDSM relationships and BDSM scenes in which the dominant partner is female. If this is done using penises and/or strap-on dildos, this is sometimes called the sandwich or BigMac. Though there have been numerous gang bang pornographic films since the 1980s, they usually involved no more than half a dozen to a dozen men. Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead nude milfs provide sexual attraction from the front of the body. Terminology for roles varies widely within the 3d hentai various BDSM subcultures.