look up any word, like blumpkin:
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
The act of putting a males balls into his anus, then in due time allowing a partner to give them oral sex, usually resulting in a suprise.
When I brown sacked Gruumm he found the taste suprising yet satisfying
by KyleVFD August 17, 2006