Dom DiMezza Share definition Flag Slang term for "Douche Bag who dumps girls for their best friend" Raine: Did you hear that josh dumped erica? Leeanne: Yeah. He's a totally Dom DiMezza Dom DiMezza by AngryBystander January 1, 2010 0 0 Get merch Get the Dom DiMezza mug. Buy Now — $32.95 See more merch