rhinoceros horn

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?"

by Crazy Boy 21 November 21, 2016

Three-Horned Rhinoceros

Obviously, this is when 3 men engage in sex with no woman or additional parties.

Hey Steve, you comin' 'round tonight? Me and Jim are trying to set up a Three-Horned Rhinoceros....just need one more!

by BrightonWatch May 14, 2014