Its gain in prominence has been attributed to its depiction in the film Pecker, which was released in 1998. The neologism pegging was popularized when it became the winning entry in a contest in Dan Savage Savage Love sex advice column, held after an observation was made that there was no common name for nude milfs the act. In recent years, however, many celebrities have benefited from the publicity resulting from the release of a sex tape. The naked appearance of actress Demi Moore in the advanced stage of pregnancy on the cover of Vanity Fair magazine in 1991 marked the beginning of a period which has since seen pregnancy presented by celebrities as a glamorous state of living, while also creating a market for photographers to produce images of pregnant mothers, and for fashion stylists to introduce pregnancy styling to their business. The cover can have hinges or be a separate part. 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. Positions can also be chosen specifically lesbian hentai for added effects such as increased humiliation, elevation and suspension. Some are aroused from wetting their diapers, videos gays others like messing their diapers. The term pearl necklace is used by some because the drops of semen deposited by the man resemble a necklace of translucent white pearls. Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. If one person is penetrated by two objects, it is generically called double penetration . Types of anal sex can also be a part of lesbian sexual practices. 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. Buttocks are sometimes emphasized in pornography, where they are often referred to as booty.