Much better word then my nigga, or the N-word. much more taste full, and not so ignorant to leave one smiling instead of cutting one down.
waz up my ninja
ninja please!

all the homies in the house yell ninja!
my ninja
you know yo my favorite ninja
ninja you mus think im stupid!
that's my ninja there.
and etc.
by thehitman1975 March 28, 2014
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1.(adj) Used to describe something that is so awesome it blows your mind. Comes from the fact that ninjas are well..ninja.
2.Can also be used as a characteristic to describe a person or thing.
1. "Did you see those gangstas on scooters rockin there kickass skillz before??" "Yeah, it was so ninja!"
2. "That girl is so ninja for starting the use of the word ninja in many people's daily life.
3. Daybies think that's so endo when really it's not even ninja.
by Sniperx992 January 27, 2010
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To do something slyly or discreetly; to act in a secret manner.
Dood 1: "Dood, did you see Bob jack that old lady's purse?"
Dood 2: "Yeah, dood, Bob is sooo ninja."

"Dude. Next time, try to be ninja when you steal a cookie from the cookie jar. Jeez.."
by MJ is cool. August 8, 2009
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When you disappear behind a thick puff of smoke. Works better with a hookah; inhale the smoke and then slowly breathe out. Make sure to be standing near a place where you would hide yourself.
Ambrose - Okay guys, check it out! (creates a huge smokescreen and disappears behind the curtain)
Buds - WTF? This dude must be a fucking ninja!
by Ambrose Zeppo December 4, 2009
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Sneaking out of a party/bar without saying goodbye, unnoticed, like a ninja.
"Hey, where'd you go last night?"
"Aw man, I was starting to feel the shots so I had to ninja"

"Where'd your friend go?"
"Oh, probs home. She's bad about ninjaing"
by kylzzville December 5, 2013
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An alternative substitution for the term "nigga"

A nicer way for non black kids to use the term nigga without actually using it. Even though nigga is not a racist term, it can be misconstrued and possibly be offensive to some people. Ninja is a fly way to convey old to the new and may just save someone from an ass whippin'
Yo what up, my Ninja?

That's my motherfuckin Ninja!
by stevey Staxwellhouse December 11, 2009
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