Redskins' Terrelle Pryor Goes After Chiefs Heckler: F**k Me? F**K YOU!!

Here's how NOT to take an L, brought to you by Redskins star Terrelle Pryor -- who went buckwild on a heckling Chiefs fan after their MNF game. As he's entering the tunnel, the wideout drops an f-bomb and 1-finger salute on the heckler --…