ninjure 

when a ninja attacks you and beats the shit out of you

woooo that guy just got ninjured and i didnt even see the ninja

ninjure by choclate waffle stain November 3, 2009

ninjuries 

1. injuries caused by ninja attacks.

Those weren't regular injuries on the pirates, those were ninjuries caused by the ninja known as Debs

ninjuries by Wild and Witless June 2, 2006

Ninjuversity 

the university of ninjology and ninjistics. many go there attempting to become ninjas. :)

dude, her skillz are so awesome, she must've learned them at ninjuversity. :D

Ninjuversity by chiara&MissyCrelliot,NINJAS! December 19, 2009

ninjury 

an injury of unkown origin, thus being attributed to a ninja

"Man check out this ninjury on my shoulder! how the hell did that happen?!"

"You got ninjured bad"

ninjury by Oscarararararararara February 5, 2010

ninjury 

injury of unexplained origin, often attributed to inebriated activities.

where'd all these bruises come from? that was a big night last night. Damn ninjury.

ninjury by tasteyface July 28, 2010

Ninjaren't 

Noun: Anyone who is not a Ninja
Adjective: Clumsy, self-percieved as cool, slick, or fast when in reality a tool

Hey, Im cool, like a ninja! No man, youre not, youre more like a Ninjaren't.

Can also be used as an adjective "Youre way more Ninjaren't than Ninja, dumbass"

Ninjaren't by Annabella_Annabella May 4, 2011

ninjury 

the act or process of being injured by a ninja

He was in the field picking peaches from a tree when he was ambushed and suffered a ninjury.

ninjury by Otrant May 22, 2006