Ninja

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

ninja

noun:
awesome person who wears all black and has purple underwear

that girl is such a ninja!

by thisisnotnina June 8, 2011

NINJA

Acronym standing for. No, Income, No, Job, Asshole

Jennifer thought Rob was a NINJA which is why she did not take him seriously when they dated.

by Gdub's September 14, 2011

Ninja

A silent killer that orriginated from japan. They are common to were black cloths and carry an assourtment of wepons.

I did not see him! He was like a ninja!

He killed him so fast he was like a ninja!

by Conman27 May 5, 2010

ninja

Something nearly every single azn that exists claims to be.

Derek: ZOMG IEM LIEK SOOOOO NINJA ASSASIN LOLOLOLOLOLOL XD XD XD XD

John: No. No, your not. Your a basement dwelling otaku with no friends. GTFO.

by Pencilz June 3, 2010

ninja

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 May 9, 2014

ninjaing

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