Duaci Share definition Flag A girl who likes to fart in a garbage can. Also known for yelling, air humping and motivating others. Bob: Hey what's up ! Boob: *farts* Bob: You're such a duaci. Duaci by AlanLam September 27, 2009 0 0 Get merch Get the Duaci mug. Buy Now — $32.95 See more merch