The warm sensation felt when urine trickles on the body seems to give very relaxing and pleasurable feelings to the person. The term BDSM dates back to 1969; however, the origin of the term BDSM is unclear and is believed to have been formed either from joining the term B&D with S&M , or as a compound initialism from B&D, D&S , and S&M. The term breast fetishism is also used to refer to cultural attention to female breasts and the sexuality they represent, with debate continuing as to whether the modern widespread fascination with breasts among heterosexual males in western societies is a sexual fetish. His most famous model was Bettie Page, who became the first celebrity of bondage film and photography. Mutual masturbation, mutual manual stimulation of the genitals between partners, can be a substitute for sexual penetration. See also Gay-for-pay. 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. In Japan, point of view pornography is referred to as hamedori . Andrews cross gay boy porn or spreader bars. Production of such films was profitable, and a number of producers specialised in their production. Special forms include erotic roleplay like ageplay, in which a difference in age, either real or enacted, formulates lesbian hentai the background; or petplay. Arcane or occult pornography involves 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. However, various groups within society considered such depictions immoral, porn milf labelling them pornographic, and attempting to have them suppressed under obscenity laws, with varying degrees of success. This genre also features male-on-male fellatio through a small hole made in a bathroom divider. Milking pornography features lactating women being milked or milking themselves . A facial is a term for the sexual activity in which a man ejaculates semen onto the face of one or more sexual partners.