2, v. To headbutt someone, aka "give 'em the big knuckle."
Ooh, right to the face with the big knuckle! Looks like his skull knocked out a few of his opponent's teeth!
Good answer--that's using the big knuckle.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from email@example.com. We'll never spam you.
Log in with Facebook to save your favorite definitions
and share them with friends.