The current record is held by Lisa Sparks who had sex with 919 men on October 16, 2004 in Warsaw, Poland as part of the Third Annual World Gangbang Championship and Eroticon 2004. Body parts including fingers, tongue and penis may be used for anonymous oral, vaginal and/or anal intercourse. Pornography is often referred to as porn and a pornographic work as a porno. First found in softcore movies and erotic thrillers, depictions of lesbianism entered mainstream cinema in the 1980s. Reflective of its views on sexuality and culture, Japanese pornography delves into a wide spectrum of heterosexual, homosexual, and transgender sexual acts in addition to unique fetishes and philias. Actual spying may violate privacy and/or trespassing laws in many gay sex video countries. Within a BDSM or D/s context, facesitting can be an especially intense form of erotic humiliation. Using the term shemale for a transsexual woman often implies that she is working in the sex trade. Transsexual porn star Wendy Williams has stated that transsexual porn is classified as Straight Specialty. Bisexual pornography is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. The anus has a relatively high concentration of nerve endings and can be an erogenous zone, and the receiver may receive pleasure from external anal stimulation. Animal masturbation has been observed in many species, both in the wild and in captivity. Voyeurism: Seeing another urinate without the person knowledge either through video taping by a hidden camera, or by lurking in locations where people are urinating or are likely to have an urge to urinate. Performers horny milfs are usually clean-shaven, thinner and more effeminate than ones in mainstream gay pornography. The person receiving anilingus is regarded as the passive partner in the act, and the person performing anilingus hentai sex is the active partner. It is suggested that much of the obscurity and the uncertainties about female ejaculation are related to mixing up these two phenomena.