The higher pay scale and profile within a production often leads to group scenes where a straight actor only tops. When all regions of the face are included, facial cum shots comprise approximately 62% of scenes where external ejaculation occurs. Since at least 1973, it has also been used to refer to a sexually attractive young woman. Such films continued to be produced but could big tit milf only be distributed by underground channels. There are currently no known laws forbidding the crushing of objects and insects, however the production or trade of crush erotica involving live vertebrates is condemned by animal rights activists and is illegal in many countries, including the United States and Great Britain. Central to the typical MILF narrative is an age-play dynamic of older women and younger lovers. Interracial pornography typically employs ethnic and racial stereotypes in its depiction of performers and many of interracial pornographic films still include racial stereotypes, although the segregation of actors by race has diminished considerably. A common way that these are depicted in a single scene is with one woman and two men performing together. Bukkake, Gokkun, Omorashi, and tentacle erotica are few uniquely Japanese hot gay sex genres known to western viewers. As in B/D, the declaration of the Top/Bottom may be required, though sadomasochists may also play without any Power Exchange at all, with both partners equally in control of the play. Amateur porn has been called one of the most profitable and long-lasting genres of pornography. Transsexual porn star Wendy Williams has stated that transsexual porn is classified as Straight Specialty. Sloppy seconds is a slang phrase for when a man has sexual intercourse with another person who already has received another man penis in the relevant orifice and is therefore wet or sloppy. Real enema shots or videos of true medical situations may violate hentai movies privacy laws in some countries. Twink pornography features younger performers, and usually features young men under 30 who identify as gay or bisexual.