OMFGAW Share definition Flag Stands for: Oh My Fucking Gerard Arthur Way and is used in the same way as OMG (Oh My God). Bob: Did you know tomatoes are fruits? Paul: OMFGAW! OMFGAW by totallymcrobssessed June 29, 2010 0 0 Get merch Get the OMFGAW mug. Buy Now — $32.95 See more merch