A catchphrase born from the brilliant mind of Rowan Bettjeman of Viva La Dirt League to describe something as being great and is a catchphrase that definitely exists.
Officer: Ok sir we have your dna, your blood and your semen at the crime seen
Brother: Whaaaaa dindonuffin noo dindonuffin, you see these cops being violent and aggressive to me even though I had a gun in my sock jeez didnt do it dindonuffin man c'mon!