Washernator Share definition Flag ~n~ 1. Someone who goes to the bathroom, urinates, and then leaves without washing their hands " Did you just see that guy leave the bathroom? He's the washernator in the office grossing everyone out!!!" Washernator by The Kitanator January 17, 2012 0 0 Get merch Get the Washernator mug. Buy Now — $32.95 See more merch