A lesbian is a female homosexual; a female who experiences romantic love or sexual attraction to other females. 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. Some men enjoy masturbating during pegging. A spanking may be carried out with videos gays the use of a bare or gloved hand, or with any of a variety of implements, including a paddle, strap, hairbrush, feather duster or belt. Some aspects of the research community distinguish between female ejaculation and what is colloquially known as squirting or gushing. The industry generally refers to such films as adult films, which is 3d hentai part of adult entertainment. In the gay pornography industry, which uses amateurs as well as professional actors, the term gay-for-pay refers to actors labeled or believed to be straight but who engage in same-sex sexual activities for money. Female masturbation involves the stroking or rubbing of a woman vulva, especially her clitoris, with an index or middle fingers, or both. Nevertheless, it is only an attempt at phenomenological differentiation. Coprophilia , also called scatophilia or scat , is the paraphilia involving sexual arousal mature milfs and pleasure from feces. In POV porn, the shooting style is generally similar to gonzo pornography, with the person receiving sexual gratification holding the camera him or herself—aiming it down at the actress or actor who is performing the sex act. Creampie, also known as internal cum shot, and, in homosexual contexts, also known as breeding and seeding, is a slang term used in pornography to describe when a male ejaculates inside his partner vagina or anus. A threesome is also depicted with one woman and two men who all perform sex acts on each other . This type of pornography is almost exclusively hentai, as true hermaphroditic humans are not fertile and are not usually found in nature.