Often a dominant gay boy porn woman, she may be called a Dom, horny milfs Domme /ˈdɒm/, Femdomme, Domina, or Dominatrix, depending on context or personal preference. Teacher and Student or Boss and Secretary pornography involves sexualized situations which take place between an authority figure, such as a teacher or boss, and an underling, such as a student or secretary, often fake. It generally contains nudity or partial nudity in sexually suggestive situations. The fundamental principles for the exercise of BDSM require that it should be performed with the informed consent of all involved parties. A sexual fetish may be regarded as an enhancing element to a romantic/sexual relationship achieved in ordinary ways or as a mental disorder/disorder of sexual preference if it causes significant psychosocial distress for the person or has detrimental effects on important areas of their life. For example, the Kama Sutra, in particular, goes into specific detail on how to properly strike a partner during sex. Enema pornography involves adults given enemas to others, often fake. Some couples use pornography at times for variety and to create a sexual interest or as part of foreplay. Human urinal: An act common in the bondage sex community where a male or female slave will serve as a urinal for a dominant partner. Said that the female buttocks evolved in the context of females competing for the attention and parental commitment of powerful resource-controlling males as an honest display of fat reserves that could not be confused with another type of tissue, although T. This is also the case in many relationships not considering themselves as sadomasochistic; it is considered to be a part of BDSM if it is practiced purposefully. The terms can be complimentary or pejorative. Contact mutual masturbation One person touching another person to masturbate. These typically are leaked to the public via the Internet, with or without the celebrity consent. Freud, however, considered such extensions of sexual interest to fall within the range of the normal, hentai porn unless marked out by exclusivity .