Dukey Share definition Flag A really big and messy shit. It will usually make the whole bathroom smell like shit for 1-3 days. "Hey Dude! Wanna go play some ball?" " Nah man, maybe after I take my Dukey!" Dukey by TmoneyTheRealO.G January 4, 2015 0 0 Get merch Get the Dukey mug. Buy Now — $32.95 See more merch