Hermaphrodite, also known as herm, refers to pornography, typically hentai, that features persons with the genitalia of both sexes. Mammary intercourse is known as titty-fucking, titfuck, or a titjob in the United States, as well as tit wank or French fuck in the United Kingdom - the latter term dating back to the 1930s; while a more jocular equivalent is a trip down mammary lane. The term pearl necklace is used by some because the drops of semen deposited by the man resemble a necklace of translucent white pearls. Gay pornography is the representation of nude milfs sexual activity between hentai porn males. Rainbow parties were covered on The Oprah Winfrey Show in 2003, and became the subject of a juvenile novel called Rainbow Party. Perhaps following the example set by gay pornography, they have become a popular subgenre within heterosexual pornography since the turn of the century, featuring both vaginal and anal ejaculations. Preggo pornography features pregnant performers and may include erotic lactation as a fetish. His most famous model was Bettie Page, who became the first celebrity of bondage film and photography. The act may be carried out face to face, or head to tail, with the woman recommended to be on top if she has smaller breasts. The phrase buttered bun is sometimes used to refer to the owner of the orifice in question. However, various groups within society considered such depictions immoral, labelling them pornographic, gay movies and attempting to have them suppressed under obscenity laws, with varying degrees of success. In 1988, a sex tape caused significant damage to Rob Lowe career. The queening stool is also related to a smotherbox, which also allows the person under the seat to be locked in place, restrained by the neck as in a set of stocks. There are number of types of sex parties: Swinger party/gathering A swinger party or partner-swapping party is a gathering at which individuals or couples in a committed relationship can engage in sexual activities with others as a recreational or social activity.