This is why video stores might consider stocking transgendered subject matter in the straight section, as some straight men will have passive or active sex with another man as long as their partner appears to look like a woman to them, to some minor or major degree. A female dominant in a master/slave relationship is often termed a Mistress, not to be confused with the colloquial milf fuck usage of mistress as a kept sexual partner without a similarly formalized power relationship. Enema pornography involves adults given enemas to others, often anime hentai fake. In gay pornographic movies, actors who identify themselves as heterosexual, but who nevertheless perform explicit sexual acts with other males on film do not face the same stigmas as the mainstream acting counterparts and indeed can rise quickly to being featured actors. Snuff pornography involves the actual death of any of the participants, consenting or otherwise, simulated death is not considered snuff. Facial cum shots are currently regularly portrayed in pornographic films and videos, often as a way to close a scene. While bondage is a very popular variation within the larger field of BDSM, it is nevertheless sometimes gay fuck differentiated from the rest of this field. Bukkake, Gokkun, Omorashi, and tentacle erotica are few uniquely Japanese genres known to western viewers. When he is in position the cover is closed. Rough sex pornography is similar to pornography featuring sadomasochism, and typically features a Top who humiliates and/or degrades a Bottom while being physically violent towards them. Transsexual people Transman pornography features performers who were born female and who medically transitioned to male. But starting with The World Biggest Gangbang , starring Annabel Chong, the pornographic industry began producing a series of films ostensibly setting gangbang records for most consecutive sex acts by one person in a short period. There is also some evidence that pornography can be used to treat voyeurism. The term lesbian is also used with regard to sexual identity or sexual behavior, regardless of sexual orientation, or as an adjective to characterize or associate nouns with female homosexuality or same-sex attraction.