Dag Narbies Share definition Flag The pieces of feces that hang on in your butt crack after taking a dump. When wiping my ass, I found that I had a couple of dag narbies hanging on. I just smeared the dag narbies in my ass-crack! Dag Narbies by DamnBigFeet January 26, 2009 0 0 Get merch Get the Dag Narbies mug. Buy Now — $32.95 See more merch