A female dominant in a master/slave relationship is often termed a Mistress, not to be confused with the colloquial usage of mistress as a kept sexual partner without a similarly formalized power relationship. Gay-for-pay describes male or female actors, pornographic stars, or sex workers who self-identify as heterosexual but who are paid to act or perform as homosexual professionally. There is also some evidence that pornography can be used to treat voyeurism. The term discipline describes psychological restraining, with the use of rules and punishment to control overt behavior. Targets the male audience, but is much less popular than Yaoi. Individuals are also sometimes abbreviated when referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme for a woman. Omorashi: The act of holding one own urine until the need to urinate is urgent, making another hold in their urine, or watching another person with an urgent need to urinate. Body parts including fingers, tongue and penis may be used for anonymous oral, vaginal and/or anal intercourse. Some women who engage in same-sex sexual activity may reject not only identifying as lesbians but as bisexual as well, while other women self-identification as lesbian may not align with their sexual orientation or sexual behavior; sexual identity is not necessarily the same as one sexual orientation or sexual behavior, due to various reasons, such as the fear of identifying their sexual orientation in a homophobic setting. Transsexual porn star Wendy Williams has stated that transsexual porn is classified as Straight Specialty. Ass to mouth gay cock pornography shows the transfer of a performer penis from a second performer anus to that same second hentai videos performer mouth in a single big tit milf shot. Some BDSM practitioners prefer a code of behavior that differs from SSC and is described as risk aware consensual kink , indicating a preference for a style in which the individual responsibility of the involved parties is emphasized more strongly, with each participant being responsible for his or her own well-being.
