The term comes from the French voyeur, one who looks. Arcane or occult pornography involves gay hentai sexualized situations with an occult or magical tone or performers who costume themselves in keeping with the theme, for example, a male performer dressed as a wizard. Its gain in prominence has been attributed to its depiction in the film Pecker, which was released in 1998. Femdom mature milfs features BDSM scenes in which the dominant partner is female. In S/M, the Sadist is usually the Top and the Masochist the Bottom, but these roles are frequently more complicated or jumbled . Lying face down one may use the hands, one may straddle a pillow, the corner or edge of the bed, a partner leg or some scrunched-up clothing and hump the vulva and clitoris against it. Bear features a combination of middle-aged, hairy or overweight males. The term pearl hot gay sex necklace is used by some because the drops of semen deposited by the man resemble a necklace of translucent white pearls. John Stagliano is considered to have started the gonzo pornography genre with his Buttman series of films. Women oriented pornography is sometimes referred to as sex positive pornography. The niche popularity grew significantly in the latter half of the first decade of the 2000s. In humans, females generally have more round and voluptuous buttocks, caused by estrogen that encourages the body to store fat in the buttocks, hips, and thighs. Tentacle erotica can be consensual, but frequently contains elements of non-consensual sex. Evolutionary psychologists suggest that rounded buttocks may have evolved to be desirable trait because they provide a visual indication of the woman youth and fertility. Works in this genre may be considered adult for any number of reasons. Some pornographic films use an artificial semen substitute to simulate or enhance creampie shots. Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead provide sexual attraction from the front of the body.