Crab Slanger Share definition Flag Slang word for hooker or slut. A person who knowingly has crabs or any other STD, that gives them away like candy. Hey baby, you looking for a date? No thanks, I don't fuck with crab slangers. Crab Slanger by Ru$ticulis November 10, 2010 0 0 Get merch Get the Crab Slanger mug. Buy Now — $32.95 See more merch