Female dominance refers to BDSM relationships and BDSM scenes in which the dominant partner is female. Incest itself is largely taboo, and is a crime in many countries. The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. Other possibilities are possible, such as a man having sex with two women who are having sex with each other. Rape pornography features performers simulating rape. People may engage in anilingus for its own sake, before anal fingering or penetration, or as part of foreplay. Creampie scenes depart from heterosexual pornographic convention in favor of a depiction that more closely mimics sexual intercourse as performed in ordinary life; they have been called the counterimage of facials. The buttocks in human females thus contain more adipose tissue than in males, especially after puberty. Sadomasochism is practiced in isolation relatively rarely, though some masochists report biting, pinching, or even stun-gunning themselves as a prelude to, or as part of, masturbation. BDSM actions can often take place during a specific period of time agreed to by both parties, referred to as play, a scene or a session. BDSM is a variety of erotic practices involving dominance and submission, role-playing, restraint, and other interpersonal dynamics. Some women who engage in same-sex sexual activity may reject not only identifying as lesbians but as bisexual as well, while other women self-identification as lesbian may not align with their sexual orientation or sexual behavior; sexual identity is not necessarily the same as one sexual orientation or sexual behavior, due to various reasons, such as the fear of identifying their sexual orientation in a homophobic setting. Is also common porno gay of the furry genre. Watersports pornography features sexual activities involving urine, such as golden showers. Multiple men and women Bisexual pornography features one woman and two men who all perform sex acts on each other.