BOAB Share definition Flag BOAB - is an acronym for "Bit of a B****" used in public places to avoid the vocalization of the cuss word "B****" Pronounced - Boab (similar to boat) 1. Wow.. Boab much?2. She/He's being a boab...3. What a Boab!!! BOAB by Noura G Archer February 6, 2018