Normal quantities of ejaculate range from 1.5 to 5.0 milliliters . Macrophilia lesbian milfs is a fascination with or a sexual fantasy involving giants, more commonly expressed as giantesses . Diaper pornography involves performers wearing diapers, sometimes with an adult performer acting in the role of a caretaker. Films with risqué content commenced to be produced soon after the invention of the motion picture in the 1880s. The volume of semen that is ejaculated depends on several factors, including the male health, age, degree of sexual excitement, and the time since his last ejaculation. Several hundred exclusively pegging films were produced, as well as twice as many bisexual and straight films with strap-on scenes. It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. New York photographer Irving Klaw also published illustrated adventure/bondage serials by fetish artists Eric Stanton, Gene Bilbrew, Adolfo Ruiz and others. Masturbation is the self-sexual stimulation of the genitals for sexual hentai sex arousal or other sexual pleasure, usually to the point of orgasm. For example, young gay porn in Australia it is rated Refused Classification . Sadomasochism is practiced in isolation relatively rarely, though some masochists report biting, pinching, or even stun-gunning themselves as a prelude to, or as part of, masturbation. Biological anthropologist Helen B. The term sadomasochism is derived from the words sadism and masochism . Rainbow parties were covered on The Oprah Winfrey Show in 2003, and became the subject of a juvenile novel called Rainbow Party. Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. 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.