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. The effect is to give the viewer the sense that they are experiencing the sex acts that they are watching, as opposed to simply watching others as a voyeur. With second wave feminism and growth of scholarship in women history and sexuality in the 20th century, the definition of lesbian broadened, sparking a debate about sexual desire as the major component to define what a lesbian is. The stimulation may involve hands, fingers, everyday objects, sex toys or combinations of these. Big Beautiful Woman young gay porn is a euphemism for an overweight woman and is frequently used in the context of fat fetishism. Teacher and Student or Boss and Secretary pornography involves sexualized situations which take place between an authority figure, such as a teacher or boss, and an underling, such as a student or secretary, often fake. Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes. Well-known female porn stars who expressed their pleasure in pegging their male partners include Taylor Wane, Debi Diamond, Brittany Andrews, and Monique Covét. Fisting, handballing, fist-fucking, brachiovaginal, or brachioproctic insertion is a sexual activity that involves inserting a hand into the vagina or rectum. The sub-genres hentai videos usually conform to certain conventions, and each may appeal to a particular audience. Simultaneous penetration of the vagina and anus. Non-contact group More than two people masturbating in the presence of each other in a group but not touching each other. Anal sex is considered a high-risk mature milfs sexual practice because of the vulnerability of the anus and rectum. However the genre remains a very small proportion of the pornographic DVD market; for example at porn retailer HotMovies.