Snowballing or snowdropping is the human sexual practice in which one person takes someone else semen into his or her mouth and then passes it to the mouth of the other, usually through kissing. They may regard it as an enhancing element of their sex lives or as their primary form of sexual activity. Although there may be no connection between coprophilia and sadomasochism gay hentai , the limited data on the former comes from studies of the latter. The resulting consent and understanding is occasionally summarized in a written contract, which is an agreement of what can and cannot take place. People may experience pleasure from anal sex by stimulation of the anal nerve endings, and orgasm may be achieved through anal penetration – by indirect stimulation of the prostate in men, indirect clitoral/G-spot stimulation in women, and associated sensory nerves . Standing up, a chair, the corner of an item of furniture, or even a washing machine can be used to stimulate the clitoris through the labia and clothing. As a form of non-penetrative sex, it can be done for its own enjoyment or as foreplay. The two sets of people involved often meet either randomly or arrange to meet up beforehand over gay sex video the Internet. Some are aroused from wetting their diapers, others like messing their diapers. Content featuring male bisexuality has been a growing trend since the advent of internet pornography. A celebrity can fight the release in court to maintain deniability while still enjoying the career benefits. Breeding is sometimes followed by felching, which involves sucking the semen from the partner anus. Preggo pornography features pregnant performers and may include erotic lactation as a fetish. When used as an alternative to penile-vaginal penetration, the goal may be to preserve virginity or to prevent pregnancy. It may occur more frequently in private situations, such as spontaneous sexual activity milf fuck among three friends, or arranged in a community of like-minded swingers or planned as a once-only experience; and rarely in anonymous settings, such as at orgies or other sex parties.