dirty shaffer Share definition Flag The "dirty shaffer" is when you dip your nuts in used motor oil and drag them across someone's face I was working on my sweet hotrod and i gave my girl a dirty shaffer dirty shaffer by CreepyUncleNateBoboLil Eshesh May 14, 2015 0 0 Get merch Get the dirty shaffer mug. Buy Now — $32.95 See more merch