Grangry Share definition Flag A high degree of anger which results in the person saying "Grr." A combination of "Grr" and "Angry." Stephen grew grangry after Bree kept pestering him the same questions, over and over. Grangry by Chad Freedom October 2, 2007 0 0 Get merch Get the Grangry mug. Buy Now — $32.95 See more merch