Gum Ding Share definition Flag Blow Job. When a girl sucks a guys penis. 1. Im getting gum ding fro this girl on the weekend 2. No way! That's sick!Also refer to: Head, BJ Gum Ding by Bitch I'm The Pussy Licker May 1, 2011 0 0 Get merch Get the Gum Ding mug. Buy Now — $32.95 See more merch