Ninjared 

when something is taken/stolen in a sneaky way.

Someone ninjared my milk!

Ninjared by WURK March 21, 2015

ninjaed 

To stealthily edit published online content after the fact, correcting a mistake - either factual or grammatical in nature - after a commentator has called out said mistake (usually in the comments section) without the original author acknowledging that an error has occurred.

What happened to the part in this article about (erroneous element)? It's totally gone!

Dude, the author ninjaed that part already.

ninjaed by T.Kovacs June 18, 2011

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

ninjured 

ninjured-the act of being injured by a ninja.

fred- DUDE, that black thing jumped out and ninjured me so bad.

george- man you got my sympathy

ninjured by THEFARTGAME August 3, 2010

Ninjaed 

Getting 'ninjaed' in Halo 3, is when somebody jumps backwards over your head and assassinates you.

I got a boner after I ninjaed these two guys in a row.

Ninjaed by that guy with the mustache February 12, 2010

Ninjapede 

Any of a variety of stretchy fake worm like creatures you can buy from most theme parks. Especially Busch Gardens Africa in Tampa, Florida.

Pedey the ninjapede hit Chelsea, Drew and Jesse in the face all at once!

Ninjapede by MADDIness April 10, 2009

ninjaing, ninja it, or ninjaed

ninjaing- downloading software illegally and bad-ass stealthily because you're that awesome of a cyber ninja, also means you're doing cool ninja stuff BECAUSE YOU'RE A MOTHERFUCKING NINJA!

(to) ninja it- similar to "pirate it" or "pirating it" so see above definition

ninjaed- you've been ninjaed!

Real Life Ninja: (Can't download new video game) Ywaaaaah shaaooohwah! (Throws shuriken at computer screen)
Computer's Response: Ninjaing, ninja it, or ninjaed!
Game downloaded...loading...currently .000001%
Estimated time remaining is 1 Year!
Ninja: AAAAAAAAAAAAAAAAAAAAH Shooooomaw!

Pirate: Yaaaarh! Got me some nice booty.
Ninja: (Holding pirate's internet booty)
Pirate: ...AAAAARRRRGH! I've been ninjaed!

ninjaing, ninja it, or ninjaed by IMJUSTANINJA! June 27, 2011