The term Asiaphile is milf xxx sometimes used to describe the same phenomenon as is yellow fever . Amateur porn has been called one of the most profitable and long-lasting genres of pornography. Ass to mouth pornography shows the transfer of a performer penis from a second performer anus to that same second performer mouth in a single shot. In more vigorous forms of fisting, such as punching or punchfisting, a fully clenched fist may be inserted and withdrawn slowly. As a result, little in history was documented to give an accurate description of how female homosexuality is expressed. Internal ejaculations, videos porno gay followed by images of semen dripping from the anus, are sometimes depicted in bareback gay pornography, where they are referred to by the term breeding or the reverse money shot. Fisting pornography features the insertion of an entire hand into a performer vagina or anus. The inside of a smotherbox is often padded to provide support for their neck and prevent their head from moving. 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. For other scenes, particularly in established relationships, a safeword may be agreed to signify a warning rather than explicit withdrawal of consent; and a few choose not to use a safeword at all. When all regions of the face are included, facial cum shots comprise approximately 62% of scenes where external ejaculation occurs. The original definition of dogging – and which is still a closely related anime hentai activity – is spying on couples having sex in a car or other public place. Targets the male audience, but is much less popular than Yaoi. Other possibilities are possible, such as a man having sex with two women who are having sex with each other. The definition clash also appears with the English definition of yuri as any lesbian relationship, as opposed to its sexually explicit definition in Japan. 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.