Definitions by Westinator2000

Slackjaw

Slackjaw is a game in which two parties agree to lower their jaw in a battle of wills. The first participant to smile or otherwise move their jaw forfeits the game.

Bro, I can't beat you at slackjaw when you execute the perfect head turn and wink combo.

Slackjaw by Westinator2000 October 13, 2011