ROT-TEN ON-ION n (rahten unyun) 1. A uniquely round bottom
emitting an unpleasant odor.  2.  Stinky Bubblebutt.  3.  A sexy
farting booty.  4.  A Rotten smelling onion shaped ass.  5.  Big,
curvy, gassy bottom that will make you cry when you peel it.

                                    
  I am over 18               I am under 18