1) The underappreciated apparatus of the Douche that actually does the stinky work. Attached to the Douche Bag.
2) A male who acts and looks like an utter jackass. Someone who transcends common insults to the point that simply calling him a "jackass" or "douchebag" will no longer do. Much more offensive than simply calling someone a douchebag.
> 1) "Check out the cell phone clip on that Douche Nozzle".
> 2) "Can you believe that Douche Nozzle? He's walking around the party, talking to fat chicks and searching for an 'Insert Here' sign".
> 3) Oliver from Spring Break.