ninjafy 

to make something into a ninja!

Bob: that kid's a loser and he can't defend himself
Rob: yeah let's go mug him
Bob: no i got a better idea, i just saw the karate kid..let's ninjafy his ass.
Rob: dude, you're amazing. lets have gay sex later

ninjafy by ninjkaaaa July 20, 2004

ninja problems 

having problems with your homies or family
arguing with a hater and getting pissed
helping your homies or family with their problems

chick friend-waz wrong?
boyo-ninja problems.
chick friend-giggle.
boyo-not like that.
chick friend-whos startin shit?
boyo-i got it covered.
chick friend-iight

ninja problems by me-hearts February 22, 2008

Ninja Five 

Stealing somebody else's high five.

Guy one: *Puts hand in the air* High five me!
Guy two: *Goes to high five*
Guy three: *Gets there first* Ha! Ninja Five!!

*Guy two looks like a loser*

Ninja Five by realpaintheory December 9, 2008

Ninja-Commenting / Liking 

When one Comments or Likes a post up to 2 seconds after its posted. (On Facebook.)

WARNING: This action can get very annoying for the person recieving the notifications.

Girl 1: Oh man, I was on Facebook last night, and this guy is TOTALLY ninja-commenting / liking everything I post! SOO annoying.

Girl 2: Oh jees. That sucks...

Ninja-Commenting / Liking by LoLfAcEbOoKfTw October 20, 2009

Ninja-mas 

Only the best holiday ever. On December 3rd you have the chance to dress and act like the beloved ninja.

Dude1- I can't wait for ninja-mas!

Dude2- I alredy have my ninja stars polished!

Ninja-mas by Samankerrkid November 24, 2009

Ninja 

originated by Mario and the Ninja Clan from Camden NJ.
Is a substitute word for pretty much anything. From nouns to verbs and even adjectives. Mostly used to cover up a sentence when in public.

Mario: What the ninja is he doing?
Bebop: I don't know!
Mario: Damn!, You got to be ninjain with me!

Ninja by Metalkun February 25, 2010

Ninja 

The word that is used to replaced the word Ni**a. Any and everyone is free to use it. Replace the N word with Ninja in songs, jokes and everyday convos and it makes things flow better.

I was walking home last night and i got mugged by 4 Ninjas.

or

White guy singing Jay-Z: "If you feeling like a pimp ninja go an brush your shoulders off"

Ninja by hanoian April 28, 2010