Wankstain Share definition Flag Wankstain, a person who is so fucking stupid and contributes absolutely nothing to anyone's life. Person 1 " shit he is useless."Person 2 "yes he is a Wankstain on the bedsheets of life" Wankstain by Trickfatigue October 21, 2017 0 0 Get merch Get the Wankstain mug. Buy Now — $32.95 See more merch