mayhem monkey Share definition Flag an extreme fan of mma fighter mayhem miller, usually addressed by an official monkey number, which i don't have yet! omg its Mayhem MillerAre you a Mayhem Monkey toohells yeah !! mayhem monkey by scottishchihuahua888 January 14, 2011 0 0 Get merch Get the mayhem monkey mug. Buy Now — $32.95 See more merch