The naked celebrities term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions like sex shows and striptease. Dwarfs or midget pornography features performers who are dwarfs/midgets. Diaper fetishism is totally independent from pedophilia as the wearer derives pleasure only from the diaper and/or use of it. Celebrity sex tapes are amateur or professionally-made recordings of sex acts, as performed by a celebrity videos gays and their partner. Individuals are also sometimes abbreviated when hentai porn games referred to in writing, so a dominant person may be referred to as a Dom for a man, and a Domme for a woman. Bondage/BDSM Bondage pornography features performers gay hentai tied up or c hardcore gay sex onstrained in various ways. Commercialized pornography accounts for a nearly US0 billion worldwide industry for the production of various media and associated products and services. Preggo pornography features pregnant performers and may include erotic lactation as a fetish. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. In the fetish cuckolding subculture, it is most common for the female to take on the sexually dominant role and the male the submissive role, however, female subs, sometimes referred to as cuckqueans, also exist. Its primary goal is sexual arousal in its audience. Older names for a pornographic film include stag film, and blue movie. Both forms of pornography generally contains nudity. Stimulating the prostate from outside, via pressure on the perineum, can be pleasurable as well. Normal quantities of ejaculate range from 1.5 to 5.0 milliliters . The definition clash big tit milf also appears with the English definition of yuri as any lesbian relationship, as opposed to its sexually explicit definition in Japan. This can, however, redirect semen gay boy porn into the bladder . There has been an increase in discussion and portrayal of masturbation in art, popular music, television, films, and literature. BDSM actions can often take place during a specific period of time agreed to by both parties, referred to as play, a scene or a session.