Assmitten Share definition Flag A derivative of Asshat. Where one has both hands up their ass instead of their head. John: Why did you drop the hammer on my foot, you Assmitten. Barry: I don't have hands up my ass! Assmitten by Shambler August 26, 2004 0 0 Get merch Get the Assmitten mug. Buy Now — $32.95 See more merch