When the pants on a guy or girl fall down at least 2 inches below the butt-crack reveling the butt crack, a thong or other undergarment when they sit down.
The dude on the steps was butt crackin.
When the chick sat down at her desk, she was butt crackin.
Prices shown in USD.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.