Top definition
A competition that occurs at parties where multiple guys preform oral sex on a girl who afterward chooses a winner based on who she believes preformed the best. This act is done in public in front of the rest of the party.
Kelly: I'm bored, let's have a box off.
Ben: I'm so down for the box off.
Kevin: BOX OFF everybody, there's gonna be a box off!!
by Cpt. MC October 15, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug