rashsquatch Share definition Flag A large big foot like person who drinks so much hard liquor that he develops a six color rash on his ass & taint region I sold the rashsquatch a case of gold bond powder & he ran out in a week rashsquatch by Doyle April 24, 2006 0 0 Get merch Get the rashsquatch mug. Buy Now — $32.95 See more merch