12 gauge facelift Share definition Flag When you blow someone's head apart with a shotgun, mainly by shooting them from under the jaw. If he watches me and her fuck one more time, I'll give him a 12 gauge facelift. 12 gauge facelift by The Annonomys December 13, 2013 0 0 Get merch Get the 12 gauge facelift mug. Buy Now — $32.95 See more merch