Grease-Monkey Butterball Share definition Flag A greasy, nasty person. Usually when sweaty. Ali: Omg, did you see didi today? Linz: yeah!!! she looked like a Grease-Monkey Butterball! Grease-Monkey Butterball by nippledipple September 11, 2011 0 0 Get merch Get the Grease-Monkey Butterball mug. Buy Now — $32.95 See more merch