Pegging is a recently invented word which features a woman penetrating a man with a strap-on dildo. Though the term anal sex most commonly means penile-anal penetration, sources sometimes use the term anal intercourse to refer exclusively to penile-anal penetration, and anal sex to refer to any form of anal sexual activity, especially between pairings as opposed to anal masturbation. The most common depiction of a hermaphrodite is a person with a female face, breasts, and build, and a penis , although there are other combinations. In D/S, the Dominant hentai sex is the Top and the submissive is the Bottom. Rape itself is a crime in many countries. Futanari, Hentai females with a big tit milf penis. In these cases, the appearance of an enlarged abdomen caused by obesity or overeating may be sufficient, or simply the suggestion of a protruding navel. However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies. 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. Contact mutual masturbation One person touching another person to masturbate. The fundamental principles for the exercise of BDSM require that it should be performed with the informed consent of all involved parties. One-sided male nudity can also arise when a male disrobes as part of a male striptease. For example, the Kama Sutra, in particular, goes into specific detail on how to properly strike a partner during sex. Interest in BDSM can range from one-time experimentation to a lifestyle. The films were financially successful, winning AVN Awards for the best selling pornographic films of their year; however the events were effectively un-officiated and the record breaking claims often misleading. The interaction between tops gaysex 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.