Bukkake pornography involves a performer, usually female, onto whom several men or women ejaculate, usually on the face. The actual height of the giantess within the fantasy may vary depending on the individual. For much of the history of cinema and television, lesbianism was considered taboo, though since the 1960s it has increasingly become a genre in its own right. Real medical shots or videos may violate privacy laws in some countries. Common phrases used to refer to these individuals are chicks with dicks or the derogatory term shemale, although these are generally considered pejorative among transwomen. 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 first lesbian hentai explicit pegging scene is believed to have been in the 1975 pornographic film The Opening of Misty Beethoven. This type of pornography is almost exclusively hentai, as true hermaphroditic gay boy porn humans are not fertile and are not usually found in nature. Group sex pornography features at least two men and two women , usually more, who all perform sex acts on each other. When used as an alternative to penile-vaginal penetration, the goal may be to preserve virginity or to prevent pregnancy. Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead provide sexual attraction from the front of the body. Is also common of the furry genre. Its gain in prominence has been attributed to its depiction in the film Pecker, which was released in 1998. Content featuring male bisexuality has been a growing trend since the advent of internet pornography. It is also known colloquially as gushing or squirting, although these are considered to be different naked milf phenomena in some research publications. Solo performances in gay pornography have been described in 1985 as either or both active and/or passive , whereas female solo performances are said to be exclusively passive .