Diaper pornography involves performers wearing diapers, sometimes with an adult performer acting in the role of a caretaker. Women who perform in lesbian pornography often do not consider themselves lesbian or bisexual. At the end of the evening the female partners would randomly select keys from the bowl and leave with that key owner. It is also known colloquially as gushing or squirting, although these are considered to be different horny milfs phenomena in some research publications. Is also common of the hentai movies furry genre. Pussing: British expression for an activity involving a consenting couple where the male partner watches the woman urinate otherwise undetected in a semi-public place, usually a toilet cubicle at a pub, hotel, restaurant, theatre/cinema, office, club etc. Adult animation is genre of animation geared towards adults and sometimes teens. Stimulating the prostate from outside, via pressure on the perineum, can be pleasurable as well. Sub-genres can also be classified into the characteristics of the performers or the type of sexual activity on which it concentrates, and not necessarily on the market to which each sub-genre appeals. Pornographic films are typically gay movies categorized as either softcore or hardcore pornography. Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. Diaper fetishism is totally independent from pedophilia as the wearer derives pleasure only from the diaper and/or use of it. Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes. Cuckold fetish pornography that involves a cuckolded husband. The concept of lesbian, to differentiate women with a shared sexual orientation, is a 20th-century construct. Many cultures describe pain as an aphrodisiac. Lying face down on a comfortable surface such as a mattress or pillow, the penis can be rubbed against it. Clothed male, naked female is one-sided female nudity in which one or more females are nude while one or more men are clothed.