Double penetration of the vagina, anus and mouth, can involve: Simultaneous penetration of the anus by two penises or other objects. Other fetish Bareback pornography momsex features performers who are not wearing condoms. Lesbian pornography typically features a wider range of appearances and body types than is typical of mainstream pornography. The use of the word creampie to describe such scenes originated in U. Typically features adult, masculine men with varying degrees of muscle, body fat, and body hair, akin to beefcakes, or bears. In the 18th and 19th centuries, some European theologians and physicians described it as heinous, deplorable, and hideous, but during the 20th century, these taboos generally declined. The fantasy is typically based around one or more larger beings dominating a smaller being. In humans, females generally have more round and voluptuous buttocks, caused by estrogen that encourages the body to store fat in the buttocks, hips, and thighs. Coprophilia , also called scatophilia or scat , is the paraphilia involving hentai videos sexual arousal and pleasure from feces. Sadomasochism refers to the aspects of gay fuck BDSM surrounding the exchange of physical or emotional pain. It has since become popular enough with couples to be discussed during an episode of Sex and the City. Medical pornography involves sexualized medical, often fake, including gynecological pelvic examinations, rectal examinations, and pelvic or gynecological ultrasounds. 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. Contrary to the other two types, B/D does not define the Tops and Bottoms itself, and is used to describe the general activities with either partner being the receiver and the giver. Point of view pornography is adult entertainment filmed to look as if the watcher were experiencing the sex act themselves.