Ninja

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

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

A method used to silently shit and piss on a girl's face (usually a whore) after a long night of having intercourse, ending with the person leaving unnoticed.

Hey man, did you have sex with that chick yet?

Yeah, I pulled a Ninja on her.

by mikeyurban July 27, 2018

The Ninja

The act of doing adderall before playing Fortnite or other video games.

Hey, before we start this next round, I’m going to do the Ninja real fast.

by Ninjas Side Chick October 17, 2018

ninja

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

that girl is such a ninja!

by thisisnotnina June 8, 2011

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

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