A pornographic work is characterized as hardcore if it has any hardcore content, no matter how small. Although interracial pornography theoretically can apply to depictions of sexual activity between performers of any different racial groups, the term is most commonly used for heterosexual sex acts between black and white performers. Dwarfs or midget pornography features performers who are dwarfs/midgets. Animal masturbation has mature milfs been observed in many species, both in the wild and in captivity. 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. The concept of lesbian, to differentiate women with a shared sexual orientation, is a 20th-century construct. In human sexuality, a threesome is sexual activity that involves three people at the same time. Bukkake is a sex act portrayed in pornographic films, in which several men ejaculate on a woman, or another man. The other person may do the same during or after. Some men also enjoy anal stimulation, with fingers or otherwise, without any prostate stimulation. The term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions gay twinks like sex shows and striptease. For legal reasons, the vast majority of so-called reality porn involves professional actors and actresses posing as so-called amateurs. Multiple men and women Bisexual pornography features one woman and two men who all perform 3d hentai sex acts on each other. Rape pornography features performers simulating rape. The arousal from being desperate comes from the sensation of having a full bladder. Pussing: British expression for an activity involving a consenting couple where the male partner watches the woman urinate otherwise undetected in a semi-public place, usually a toilet cubicle at a pub, hotel, restaurant, theatre/cinema, office, club etc.