Diaper pornography involves performers wearing diapers, sometimes with an adult performer acting in the role of a caretaker. 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 gay twinks to the mouth of the other, usually through kissing. For example, in Australia it is rated Refused Classification . Most bisexual porn is made by small production companies rather than the major studios. Mutual masturbation, mutual manual stimulation of the genitals between partners, can be a substitute for sexual penetration. The most common male masturbation technique is simply to hold the penis with a loose fist and then to move the hand up and down the shaft. Macrophilia is a fascination with or a sexual fantasy involving giants, more commonly expressed as giantesses . Participants who exert sexual control over their partners are known as dominants or tops while participants who take the passive, receiving, or obedient role are known as submissives or bottoms. Hamedori is a genre of Japanese pornography in which a male adult video actor or director serves as the camera operator. Patricia Hill Collins, an African-American writer, theorizes that this is derived anime hentai from a stereotype that those of black descent are promiscuous, and their buttocks are objectified by porn as a result. The term pearl necklace is used by some because the drops of semen deposited by the man resemble a necklace of translucent milf fuck white pearls. Transgender pornography features performers who cross-dress for sexual gratification, either for themselves or for their partners. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. In 1988, a sex tape caused significant damage to Rob Lowe career. Rainbow parties were covered on The Oprah Winfrey Show in 2003, and became the subject of a juvenile novel called Rainbow Party. A related term used in the genre is the term cougar, which implies an older woman as predator.
