Dirty Nesbit Share definition Flag When your dog has diarhhea and doesn't clean it's ass very well, leading the accidental wiping of shit on the face. Man Buttercup gave me a dirty nesbit this morning...what a shitty way to start the day! Dirty Nesbit by BuckeyeGuy April 15, 2009 0 0 Get merch Get the Dirty Nesbit mug. Buy Now — $32.95 See more merch