In academic discourse, racial fetishism is a postcolonialist term found in the writings of authors such as Homi K. Although interracial pornography theoretically can apply to depictions of sexual activity between performers of any different racial groups, the term is most commonly used for heterosexual sex acts anime hentai between black and white performers. The consent and compliance for a sadomasochistic situation can be granted only by people who can judge the potential results. Bhabha, Anne McClintock and Kobena Mercer. 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. Pornography in the early 2000s. Other possibilities are possible, such as a man having sex with two women who are having sex with each other. For much of the history of cinema and television, lesbianism was considered taboo, though since the 1960s it has increasingly gaysex become a genre in its own right. A variation on this is nude milfs to place the fingers and thumb on the penis as if playing a flute, and then shuttle them back and forth. Originating in Japan in the 1980s, the genre subsequently spread to North America and Europe, and crossed over into gay pornography. Hentai is the various forms of Japanese pornography, including H-manga, H-anime, and H-computer games. Urolagnia is a form of salirophilia in which celebrity news sexual excitement is associated with the sight or thought of urine or urination. A sex party is a gathering at which sexual activity takes place. Bondage/BDSM Bondage pornography features performers tied up or constrained in various ways. Threesome can also refer to a love triangle, a three-way romantic relationship. A pearl necklace is a slang term referring to a sexual act in which a man ejaculates semen on or near the neck, chest, or breast of another person. Mammary intercourse is a sex act, performed as foreplay or as non-penetrative sex, that involves the stimulation of the male penis by the female breasts and vice versa.