Fagbag Share definition Flag 1. Someone who is a total asshole/loser2. Someone who may be questionable or annoying3. Zaviera Micheletti Dude Zavi is being a total fagbag lately. What's her deal?OMG that guy is being the biggest fagbag over there. Like WTF?Wow. What a fagbag. Fagbag by NOAHDAMAN February 9, 2010 0 0