Buttocks are sometimes emphasized in pornography, where they are often referred to as booty. The volume of semen that is ejaculated depends on several factors, including the male health, age, degree of sexual excitement, and the time since his last ejaculation. Patricia Hill Collins, an African-American writer, theorizes that this is derived from a stereotype that those of black descent are promiscuous, and their buttocks are objectified by porn as a result. Yaoi is anime or manga that features gay males . Cum shots typically big tit milf do not appear in girl-girl scenes and orgasm is normally implied by utterances, cinematic conventions, or body movement. The industry generally refers to such films as adult films, which is part of adult entertainment. They signal the presence of estrogen and the presence of sufficient fat stores for pregnancy and lactation. In some creampie films, both gay and straight, intercourse and internal ejaculation are followed by performers licking up the semen that has dripped from their bodies. Cartoon pornography is the portrayal of illustrated or animated fictional characters in erotic or sexual situations. Studies have found that masturbation is frequent in humans of both sexes gay cock and all ages, although there is variation. The use of the word creampie to describe such scenes originated in U. Crush pornography features objects being crushed by an actress or actor, who generally plays an overtly dominant role. Creampie pornography features ejaculation inside the vagina , mouth or rectum instead of the common cum shot, followed by the visible seeping or dripping of semen from the vagina, mouth or anus. Ass to mouth is a slang term primarily used to describe the withdrawal of a penis from the receptive partner anus followed by the immediate insertion into the receptive partner mouth. As women, they face concerns gay hentai separate from men. The queening stool is also related to a smotherbox, which also allows the person under the seat to be locked in place, restrained by the neck as in a set of stocks.