GBRB

Great Big Raunchy Box -- when a female has not cleaned her box in over 24 hours.

Hey, Laquisha got mad when I wouldn't go down on her last night cause she had GBRB -- don't think she bathed since she did Tyrone.

by Shanana O'Connor January 10, 2011

GBRB

When you say you will be right back, but then it takes you over an hour.

Hey guys I'll be right back...

*2 hours later*

Whoa, I'm still on here?

by Big Dizzle April 14, 2005