1 definition by Lenee

Top Definition
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.
Your girlfriend and your bestfriend are making the beast with two backs.
by Lenee January 14, 2007

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.