Ass fucking

[Sonia]

Sexual act of [fucking] someone in the anus. Common sexual practice between homosexuals and hetrosexuals. Is also used as a form of birth control. Is considered more stimulating than reguular intercourse due to the fact that the anus present a tighter fit for the penis. In women it presents a feeling of being more filled. May be done is various sexual positions but most common is the doggie style position. Commonly termed: Taking it up the ass.

[Britney]

when a male is behind his female partner, who is usually bent over, and shoves his penis in her [vagina] and begins to [fuck] her. can be very painful for her.