verb. To leave, to depart, to exit from, to get the fuck out of, to dip, to bounce out.
Dude, Jamie and i were about to have sex, but then i smelled her clam-like crotch and had to brown sack, so i went home.
by emoeed December 16, 2012
When you poop in your hands and smack someone's bare balls with it.
I had to wash my nuts because I got brown sacked.
by Ana Appelbaum November 23, 2009