In the gay pornography industry, which uses amateurs as well as professional actors, the term gay-for-pay refers to actors labeled or believed to be straight but who engage in same-sex sexual activities for money. Its gain in prominence has been attributed to its depiction in the film Pecker, hot gay sex which was released 3d hentai in 1998. Typically featured are hitting, choking, name-calling and hair-pulling. Internal ejaculation shots are a comparatively recent development in pornography; they are not found in early pornographic films. In 1988, a sex tape caused significant damage to Rob Lowe career. Hentai narrow Japanese usage and broad international usage are often incompatible. Fisher said that perhaps, the fleshy, rounded buttocks attracted males during rear-entry intercourse. This is commonly called double vaginal penetration or double stuffing. Female dominance refers to BDSM relationships and BDSM scenes in which the dominant partner is female. Group sex most commonly takes place in a private sex party or semi-public swinger gathering, but may also take place at massage parlors or brothels or, in some jurisdictions, at purpose-built locations such as sex clubs. Some aspects of the research community distinguish between female ejaculation and what is colloquially known as squirting or gushing. Women oriented pornography is sometimes referred to as sex positive pornography. 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. Sadomasochism is practiced in isolation relatively rarely, though some masochists report biting, pinching, or even stun-gunning themselves as a prelude to, or as part of, masturbation. Medical pornography involves sexualized medical, often fake, including gynecological pelvic examinations, rectal examinations, and pelvic or gynecological ultrasounds. On May 27, 2010 mature milfs the television program The Doctors discussed the topic with dozens of teens, parents, and professionals.