Cock liver Share definition Flag The clue is in the name. Someone who has a cock for a liver. The victims insides are usually all messed up. Doctor- "It appears you are a cock liver" Mary- "Oh no, now i can't eat cookies" Cock liver by Toss pot March 6, 2008 0 0 Get merch Get the Cock liver mug. Buy Now — $32.95 See more merch