Ghetto Half Day Share definition Flag When your school gets a Shooting or bomb threat and everyone is evacuated and sent home. Billy; Yeah we had a Ghetto Half Day on Friday Madi; OMG is everyone ok? Ghetto Half Day by TGIThursdays September 7, 2018 0 0 Get merch Get the Ghetto Half Day mug. Buy Now — $32.95 See more merch