As a result, little in history was documented to give an accurate description of how female homosexuality is expressed. Pornography is generally classified as either softcore or hardcore pornography. Heterosexual bareback sex, as opposed to sex with condoms, not only poses an increased risk of STIs, but for pregnancy as well. Especially popular in post-World War 2 Japanese culture. Babysitter pornography features usually teenage girls being exploited and having taboo sex with older, male employers. The original definition of dogging – and which is still a closely related activity – is spying on couples having sex in a car or other public place. If this is done using penises and/or strap-on dildos, this is sometimes called the sandwich or BigMac. Internal ejaculations, 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. The range of its individual characteristics is thereby wide. A few extremely flexible males can reach and stimulate their hentai porn penis with their tongue or lips, and so perform autofellatio. Bobbi S. Adult animation is genre gay cock of animation geared towards adults and sometimes teens. In the context of consensual erotic activities, sadism and masochism are not strictly accurate terms; there is a significant difference from the medical or psychological usage of both terms. Interracial pornographic films have experienced an explosion in popularity, becoming one of the fastest-growing and biggest-selling genres. Since at naked celebrities least 1973, it has also been used to refer to a sexually attractive young woman. These scenes may involve the female actor horny milfs calling for the shot to be directed at some best mobile porn specific part of her body. Usually that person prefers to stage the wetting so that his/her legs become soaked with urine. There is also some evidence that pornography can be used to treat voyeurism. Simultaneous penetration of the mouth and either the vagina or anus.