by Josh June 09, 2004
Someone who is willing to be a bufffer between two people busting each other's balls and or driving eachother insane. The BMBB is typically a child(over 18) or grandchild(over 18) willing to step in and “say separate corners people!”
by Ariel PlusSure December 04, 2017
by joemanshowman August 01, 2015