bb is short for bottom bitch, or a butt buddy (someone you are so close with that its almost gay). This can only be achieved by very close friends.
by Fatniss Neverlean March 29, 2015
Get the bb mug.Andy: wow look at BB Bradderz
Matt: God she has a large round arse
Haytham: I would so grab that BB with both hands.
Matt: God she has a large round arse
Haytham: I would so grab that BB with both hands.
by Very lazy garlic November 9, 2010
Get the BB mug.by Flash[ZD] May 8, 2009
Get the bb mug.bb is definitely someone's baby or will be someone's baby. A bb is funny, pretty asf attractive but most of all, a BI TCH
A bb has also already found he's/her soulmate
by Me:) May 30, 2020
Get the Bb mug.

