gahhhhhhhhh Share definition Flag What you say on the phone to someone you dont want to talk to ... and then you hang up. "Hey there, how are you doing... why haven't you called me back!?" "Gahhhhhh!!!!" *click* gahhhhhhhhh by Vivalanation734 July 3, 2005 0 0 Get merch Get the gahhhhhhhhh mug. Buy Now — $32.95 See more merch