Top definition
when you and a friend each exchange links to urban dictionary definitions and you try to out-do each other in sheer depravity of the definitions. Whoever makes the other person wretch first, wins.
Me and Josh had an Urban dictionary-off and i almost threw up when we he sent me the link for an 'alabama hot pocket'
by the loiterer November 05, 2010
Get the mug
Get a Urban dictionary-off mug for your dad James.