The interaction between tops and bottoms—where physical or mental control of the bottom is surrendered to the top—is sometimes known as power exchange, whether in the context of an encounter or a relationship. Individuals who can change between top/dominant and bottom/submissive roles—whether from relationship to relationship or within a given relationship—are known as switches, though the term switch in this context is occasionally seen as derogatory and is rejected by many who might simplistically fit the definition. Often a dominant woman, she may be called a Dom, Domme /ˈdɒm/, Femdomme, Domina, or Dominatrix, depending on context or personal preference. In some areas, there are laws stating it is not legally possible to consent to be killed, and elsewhere it may still be legally dubious . Cum-shot pornography features a collection of male ejaculation scenes. Pornography is often referred to as porn and a lesbian milfs pornographic work as a porno. In September 2003 the BBC reported on the new dogging craze. The sub-genres usually conform to certain conventions, and each may appeal to a particular audience. The principal characteristic of voyeurism is that the voyeur does not normally interact directly with the subject of his/her interest, who is often unaware of being observed. A celebrity may allow such a recording to surface willingly, as part videos gays of a publicity stunt. 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. Spanking or whipping pornography involves spanking or whipping, generally of the buttocks, with the hand or with other objects such as belts, switches, paddles, brushes, or whips. Arousal may be triggered by seeing the body movements or facial expressions of that person. In pornography, depictions of lesbian gay hentai sex form a popular subgenre, directed toward a male heterosexual and female homosexual audience.
