The Black Dragon Share definition Flag A term for a mean and massive piece of fecal matter. It is basically a large chunk of poop. Some people say theyre going to drop a deuce, others say to take a crap, but I just lay down the black dragon. The Black Dragon by Stevie Y November 9, 2004 0 0 Get merch Get the The Black Dragon mug. Buy Now — $32.95 See more merch