grigg hit Share definition Flag An act against ones peer that is so incredibly dog that it warrants severe repercussions. Similar to a coward punch but on a mate. Can't believe he would punch him in the back of the head for no reason, thats a grigg hit. grigg hit by FuntIsCucked November 5, 2018 0 0 Get merch Get the grigg hit mug. Buy Now — $32.95 See more merch