Real jail or prison or police station shots or videos may violate laws in some countries. Interest in BDSM can range from one-time experimentation to a lifestyle. In many cases, that person is also aroused by smelling body parts that have a urine scent. This category also includes pornographic home movies. 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. Mutual masturbation is a sexual act where two or more people stimulate themselves or one another sexually, usually with the hands. Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person anus, or anus and rectum, for sexual pleasure. Although macrophilia literally translates to simply a lover of large, in the context of a sexual fantasy it is used to mean someone who attracted to beings larger than themselves. Cum swapping pornography involves performers trading semen between their mouths. Pornographic films or sex films are films that present sexually explicit subject matter for the purpose of sexual arousal and erotic satisfaction of the viewer. The speed of the hand motion will vary from person to gay fuck person, although it is not uncommon for the speed to increase as ejaculation nears and for it to decrease during the ejaculation itself. Homi Bhabha defined the idea of a racial fetish in contrast to the idea of the Freudian sexual fetish which he describes a denial of difference, where the male sees the female as a castrated male, seeing missing parts rather than a different anatomy. An orgy is a gathering where guests freely engage in open and unrestrained sexual activity or group sex; and a bunga bunga orgy is an orgy in which participants horny milfs have sex underwater, such as in a swimming pool or a hot tub. Men and women may masturbate until they are close to orgasm, stop for a while to reduce excitement, and then resume masturbating. Gonzo porn is influenced by amateur pornography, and it tends to use gay hentai far fewer full-body/wide shots in favor of more close-ups .