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. Consent is the most important criterion here. Com, there are only 655 bisexual titles out of a catalogue of more than 90,000 films. A celebrity may allow such a recording to surface willingly, as part of a publicity stunt. The term is a slang word that originated in the gay community and comes from the equestrian term bareback, which refers to the practice of riding a horse without a saddle. However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies. Sloppy seconds is a slang phrase for when a man has sexual intercourse with another person who already has received another man penis in the relevant orifice and is therefore wet or sloppy. Body parts including fingers, tongue and penis may be used for anonymous oral, vaginal and/or anal intercourse. Babysitter pornography features usually teenage girls being exploited and having taboo sex with older, male employers. Fisting pornography features the insertion of an entire hand into a performer vagina or anus. Some restrict a policy of panties/nipple tape for gay hentai females and some allow full nudity with explicit sexual interaction allowed. In many cases, that person is also aroused by smelling body parts that have a urine scent. Gonzo porn is influenced by amateur pornography, and it tends to use far fewer full-body/wide shots in favor of more close-ups . Initially, few animation studios in the United States attempted to produce animation for adult audiences, but later examples of animation mature milfs produced for adults would gain mainstream attention and success. Such films continued to be produced but could only be distributed by underground gay bear porn channels. A large part of the popularity of these videos is seeing how regular and normal the girls are in real-life.