flabaggledo Share definition Flag noun . {"Fla-BAG-L-DOO"} excess body fat that hangs out of a person(s) shirt over there pants. sir! your flabaggledo is showing!! flabaggledo by ¿Яon March 19, 2009 0 0 Get merch Get the flabaggledo mug. Buy Now — $32.95 See more merch