1 definition by Eff-Four
Derived from the name "Brutus", the man who betrayed Julius Caesar. A bru is a "friend" who repeadetely stabs you in the back with no care for your feelings. A bru is like a bro with no morals. If you thought a bro was bad, you obviously haven't met a bru.
by Eff-Four January 31, 2011