Urolagnia is a form of salirophilia in which sexual excitement is associated with the sight or thought of urine or urination. Group sex is sexual behavior involving more than two participants. Several hundred exclusively pegging films were produced, as well as twice as many bisexual and straight films with strap-on scenes. It is suggested that much of the obscurity and the gay movies uncertainties about female ejaculation are related to mixing up these two phenomena. In general, BDSM play is usually structured such that it is possible for the consenting partner to withdraw his or her consent during a scene; for example, by using a safeword that was agreed on in advance. Both forms of pornography generally contains nudity. Although interracial pornography theoretically can apply to depictions of sexual activity between performers of any different racial groups, the term is most commonly used for heterosexual sex acts between black and white performers. It spawned numerous sequels, several of which won adult film awards. For legal reasons, the vast majority of so-called reality porn involves professional actors and actresses lesbian milfs posing as so-called amateurs. Pornography is often distinguished from erotica, which consists of the portrayal of sexuality with high-art aspirations, focusing also on feelings and emotions, while pornography involves the depiction of acts in a sensational manner, with the entire focus on the physical act, so as to arouse quick intense reactions. Threesome can also refer to a love triangle, a three-way romantic relationship. The phrase is commonly found on porn sites. Generally, interest differs between people, 3d hentai and gender depends on sexual orientation. It is used, for example, at fertility clinics to stimulate sperm donors. The concept of lesbian, to differentiate women with a shared sexual orientation, is a 20th-century construct. 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 hentai porn games term breeding or the reverse money shot.