Unlike erotic films, pornographic films contain explicit sexuality and do not claim any artistic merit. 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. The name of the practice, when it is done in a repeated in-and-out motion, is derived from its passing resemblance to the dipping of a tea bag into a cup of hot water as a method of brewing tea. Since at least 1973, it has also been used to refer to a sexually attractive gay sex video young woman. There is no singular or archetypical behavior; therefore, a wide range of thought patterns and behaviors exist, but all tends to be a harmless and efficacious release from some kind of pressure. The person receiving anilingus is regarded as the passive partner in the act, and the person performing anilingus is the active partner. Some do not use the diapers at all, for arousal, or bladder and bowel movements. Although pornography has usually focused on heterosexuality, due to the prevalence of the heterosexual orientation, explicit gay material has a long history as well, which reaches back to Greek antiquity, if not to prehistory. In pornography, depictions of lesbian sex form a popular subgenre, directed toward a male heterosexual and female homosexual audience. Jerk off instruction features a performer encouraging or instructing the viewer to masturbate, often culminating in a countdown at the end of which the viewer is invited to induce orgasm. A crush fetish is a fetish in which one is sexually aroused usually when someone crushes objects, food, and sometimes small animals with their body, usually under their foot, or when crushed oneself. Pornography is often referred to as porn and a pornographic work as a porno. A celebrity may allow such a recording to surface willingly, as part of a publicity stunt. Diaper pornography involves hentai sex performers wearing diapers, sometimes with lesbian milfs an adult performer acting in the role of a caretaker.
