rhinoceros horn Share definition Flag when you bang a chick so hard, your dick comes out her back. It is the most extreme of all banging. "dude she feels so sore after last night, do you reckon he gave her rhinoceros horn?" rhinoceros horn by Crazy Boy 21 November 21, 2016 0 0 Get merch Get the rhinoceros horn mug. Buy Now — $32.95 See more merch