Butt Hammered Share definition Flag The act of being extremely intoxicated, far worse than butt trashed. An entirely new dimension of drunk. Enough said. Sarah, you were butt hammered last night. Butt Hammered by WindowLicker9000 February 4, 2010 0 0 Get merch Get the Butt Hammered mug. Buy Now — $32.95 See more merch