Short for “Bitch Behavior”. Someone who isn’t up for anything or down to have fun. Wants to stay in for the night.
David: Ayo Meeks whats Johnny doin tonight?
Meeks: Idk man he’s on some BB tonight
David: say that. We’ll go on without him
Meeks: Idk man he’s on some BB tonight
David: say that. We’ll go on without him
by Meeks Mill February 14, 2020
Get the BBmug. by NotDavefromtheHospital March 27, 2016
Get the BBmug. by ten_animals_I_slam_in_a_net December 28, 2012
Get the BBmug. You don't want to piss her off, she's BB.
by godoverdog September 8, 2015
Get the BBmug. by DKB's BB May 24, 2020
Get the BBmug. 
