ninja

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 7, 2009

ninja

The art of dissapearing from a room or area with people, without any of them noticeing. it is very awesome, and hard to learn. they are great at partys, and it makes a terrific exit. *very similar to "pulling a batman".

GUY #1: so, dude, have u like, seen tony around here? I beat him in a chugging contest.
GUY #2: yeah, but he must have left.
GUY #1: no way, i had every exit covered. the dude owes me 5 bucks!
GUY #2: dude! do u know what happened?? the dude must've pulled a ninja on you!
GUY #1: what i jerk. but you've gotta admit, its pretty cool.

by Quantum Kestrel December 29, 2011

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

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

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

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

that girl is such a ninja!

by thisisnotnina June 8, 2011

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