The term sadomasochism is derived from the words sadism and masochism . Rape pornography features mature milfs performers simulating rape. Sexual orientation Pornography features an increasing variety of combinations of actors by their sexual orientation such as lesbian, gay, bisexual, and transsexuals in addition to traditional heterosexual roles. Some may keep their hand stationary while pumping into it with pelvic thrusts in order to simulate the motions of sexual intercourse. It is commonly depicted in pornography, but very rarely in mainstream cinema. Bondage websites and bondage imagery in mainstream pornography As of 2003, specialist bondage magazines were mostly displaced by the availability of bondage material on the World Wide Web, and the presence of bondage imagery in mainstream pornographic magazines such as Nugget and Hustler Taboo magazine. For example, in Australia it is rated Refused Classification . The other person may do the same during or after. The strategies and tactics that are used to smuggle one of the couple into and out of the toilet undetected are as important or almost as important as the urination. Pro-am pornography is sub-genre of amateur pornography that refers to professionally made porn that features amateur actors/actresses, often appearing for the first time in a pornographic film. There are number of types of sex parties: Swinger party/gathering A swinger party or partner-swapping party is a gathering at which individuals or couples in a committed relationship can engage in sexual activities with others as a recreational or social activity. Other objects such as ball point pens and thermometers are sometimes lesbian hentai used, although this practice can lead to injury and/or infection. Pornography gay boy porn may fall into more than one genre. A pornographic work is characterized as hardcore if it has any hardcore content, no matter how small. This fetish sometimes originates from childhood memories of needing, or of seeing another needing, to urinate. Usually that person prefers to stage the wetting so that his/her legs become soaked with urine.