Meant to be used as an acronym - as in 'n'o 'i'ncome, 'n'o 'j'ob or 'a'ssets. Basically, a person who is a deadbeat, loser, dreg of society, waste of skin, useless, etc...
My older brother Derek follows the path of the ninja -- he's unemployed, smokes pot all day, and still lives at home with my parents.
By drunkenpetes
i work in corporate america and we can not say nigga (not nigger) so we say ninja the word is not what it use to be so white people get off it. ninjas relax it has changed they still cant say it
Cedric the entertainer was about to get robbed and he said "ninja please cuz we want to beat yo ass we just need a reason"
By papaduck253
std such as aids/hiv or other terminal situation
hey, i heard your girl got that ninja!
By 19DJF74
Noun - 1. Vessel of pure unfiltered awesome, commonly a person. 2. Trait, similarity to a ninja. 3. Essence of ninjaness - contained in all asians. Adjective - 1. Similar to a ninja. 2. Awesome Adverb - Similarity of action to as if it had been performed by a ninja. See Awesome Verb - To assassinate or otherwise kill as if one was a ninja.
"*pffft* Ninja don't exi~ *head aplodes*"
By A Shadow
A general term for any STD. The Ninja creeps up on you when you least expect it to. Having unprotected sex is a good way for the Ninja to get a hold of you.
Guy 1: I haven't been feeling very well lately... Guy 2: I bet that chick you hooked up with at that party gave you the ninja.
By Latina_LC