Examples of heterosexual pornographic film series featuring creampies include Cream Filled Teens and Internal Cumbustion. The term is typically used by the cinematographer within the narrative framework of a pornographic film, and since the 1970s has become a leitmotif of the hardcore genre. Rape pornography features performers simulating rape. Normal quantities of videos porno gay ejaculate range from 1.5 momporn to 5.0 milliliters . In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a whole, but not for a particular scene. A sex party is a gathering at which sexual activity takes place. If dramatic skills are not involved, a performer in a porn film may also be called a model. For instance, Amateur Allure has a trademark shot where the sexually performing cameraman circles a handycam around the sexually performing model head. Such ejaculation can be done by mammary intercourse, or masturbation over the other person, or result from the withdrawal of the penis from a partner mouth as he is ejaculating following fellatio, irrumatio, or intercourse. Fisher said that perhaps, the fleshy, rounded buttocks attracted males during rear-entry intercourse. Some pornographic films use an artificial semen substitute to simulate or enhance creampie shots. Additionally, the buttocks give an indication of the shape and size of the pelvis, which impacts reproductive capability. Internal ejaculation shots are a comparatively recent development in pornography; they are not found in early pornographic films. Because the viewing of such films carried a social stigma, they were viewed at brothels, adult movie theaters, stag parties, hentai videos at home, in private clubs and also at night cinemas. It is also known colloquially as gushing or squirting, although these are considered to be different phenomena in some research publications. Likewise, Fox Broadcasting Company has also dedicated an entire evening programming block to adult animation programs, known as Animation Domination.