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. Contrary to the other two types, B/D does not define the Tops and Bottoms itself, and is used to describe the general activities with either partner being the receiver and the giver. The term has also applied to other professions and even companies trying to appeal to a gay demographic. Buttocks are sometimes emphasized in pornography, where they are often referred to as booty. Gonzo pornography is a style of pornographic hentai videos film that attempts to place the viewer directly hentai porn videos into the scene. Production of such films was profitable, and a number of producers specialised in their production. Behind the Green Door was one of the first milf fuck pornographic films to feature sex between a white actress with a black actor . Point of view pornography is adult entertainment filmed to look as if the watcher were experiencing the sex act themselves. In recent years, however, many celebrities have benefited from the publicity resulting from the release of a sex tape. While some videos porno gay fantasize about a giantess who is slightly taller than himself, others are interested in giantesses that are hundreds or even thousands of feet gay movies tall. Cum shots typically do not appear in girl-girl scenes and orgasm is normally implied by utterances, cinematic conventions, or body movement. 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. In the 18th and 19th centuries, some European theologians and physicians described it as heinous, deplorable, and hideous, but during the 20th century, these taboos generally declined. Creampie, also known as internal cum shot, and, in homosexual contexts, also known as breeding and seeding, is a slang term used in pornography to describe when a male ejaculates inside his partner vagina or anus.