Cleavland Car Wash Share definition Flag The act of defecating in the windshield wiper fluid reservoir of someone's car. "Jake gave me a cleavland car wash and it took forever to get the corn out of the pump. Cleavland Car Wash by Philipdatank July 11, 2011 0 0 Get merch Get the Cleavland Car Wash mug. Buy Now — $32.95 See more merch