Being forced to wear diapers as a form of humiliation is sometimes a behavior encountered in sexual masochism. Many fantasies include the macrophile shrinking before a normal sized woman or keeping his or her normal height while the partner grows in size. Internal ejaculation shots are a comparatively recent development in pornography; they are not found in early pornographic films. In recent years, however, many celebrities big tit milf have benefited from the publicity resulting from the release of a sex tape. The queening stool is also related to a smotherbox, gay sex video which also allows the person under the seat to be locked in place, restrained by the neck as in a set of stocks. Reality pornography is a genre of pornography where staged scenes, usually shot in cinéma vérité fashion, set up and precede sexual encounters. Preggo pornography features pregnant performers and may include erotic lactation as a fetish. Cartoon pornography depicts illustrated or animated fictional characters in erotic and sexual situations. Coprophilia , also called scatophilia or scat , is the paraphilia involving gay hentai sexual arousal and pleasure from feces. Whether or not licking and fondling is considered tea bagging was once debated on the Howard Stern Show. Use of the agreed safeword is seen by some as an explicit withdrawal of consent. The resulting consent and understanding is occasionally summarized in a written contract, which is an agreement of what can and cannot take place. Mammary intercourse is known as titty-fucking, titfuck, or a titjob in the United States, as well as tit wank or French fuck in the United Kingdom - the latter term dating back to the 1930s; while a more jocular equivalent is a trip down mammary lane. Double penetration of the vagina, anus and mouth, can involve: Simultaneous penetration of the anus by two penises or other objects. For a foot fetishist, points of attraction include the shape and size of the foot and toes , jewelry , treatments , state of dress , odor, and sensory interaction .