Speakin duck

Talking nonsense. Talking shit. Talking out of your ass. All mean the same thing. Used when someone says some crazy shit..

Person 1: “Aye what the move is tonight?”
Person 2: “I got us a table at club E11EVEN, we gone live it up tonight.”
Person 1: “You cap jitt, you broke asl where you got the money for a table from??
Person 3: “NoKap, that boy be speakin DUCK.”