A man and woman engaged in an act of sexual intercourse. An expression whose usage dates at least as early 1604, being mentioned in Shakespeare's Othello.
by Lenee January 15, 2007
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The frightening moaning creature that two people become when they engage in intercourse
Watch a porno and you'll know what I mean. The beast with two backs can even be found in your bedroom or any popular sexual habitat
by Marisha A January 21, 2007
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Kind of joke. When twoo people are having sex, it looks like a beast with two backs
Just to make the beast with two backs.
by ammar90 September 8, 2010
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