Definitions by Metalkun

Ninja 

originated by Mario and the Ninja Clan from Camden NJ.
Is a substitute word for pretty much anything. From nouns to verbs and even adjectives. Mostly used to cover up a sentence when in public.

Mario: What the ninja is he doing?
Bebop: I don't know!
Mario: Damn!, You got to be ninjain with me!

Ninja by Metalkun February 25, 2010