shittin dicks Share definition Flag The act of taking a dump roughly the same size and shape of a dick. Primarily after a large meal followed by a few drinks. Dude, I was shittin dicks last night after the party! shittin dicks by T-B1rd July 26, 2014 0 0 Get merch Get the shittin dicks mug. Buy Now — $32.95 See more merch