rarrg Share definition Flag A noise similar to one an animal would make; used to proclaim toughness. Similar to rarr. Kate said "RARRG!" and tried to look menacing, but everyone knew that she was just a crackhead. rarrg by VinnyChops November 2, 2006 0 0 Get merch Get the rarrg mug. Buy Now — $32.95 See more merch