Gag Brag Share definition Flag Telling people you have a sore throat so you can brag about the size of the man part you had oral with...so big it causes you to gag I know it was big...but enough of the gag brags Gag Brag by Cauldron of Chaos August 20, 2016 0 0 Get merch Get the Gag Brag mug. Buy Now — $32.95 See more merch