Grecian Duck Share definition Flag The act of soaking a comb in duck butter and running it through yours or someone elses hair. Joe: Do you have a comb? John: Here you go sir. Joe: Dude, you just gave me grecian duck! Grecian Duck by DarkVinnymac October 18, 2008 0 0 Get merch Get the Grecian Duck mug. Buy Now — $32.95 See more merch