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Ninja Mistake 

Something that doesn't exist.

Apparently, fate and Ninja Mistake are one and the same.
Ninja do not make a mistake, you fucktards.
Ninja Mistake by lmao November 22, 2004

Ninja Mistake 

Something that a ninja might say whenever he miscalculates something and makes an error.
Ninja Mistake by Deus September 9, 2004

NinjaMaster29 

"What's a joe shoe?"

A NinjaMaster29 is someone who slightly knows the anime JoJo's Bizarre Adventure,

and they know JoJo through memes.

It is someone who only knows part 3 and the latest animated part of JoJo,
and their favorite fight is probably Jotaro vs Dio from Stardust Crusaders.
Guys, we found a NinjaMaster29 in this discord server.
NinjaMaster29 by iAmTheBigGamer March 17, 2020

ninjaistic 

like or comparable to the awesomeness of a ninja. as fantastic as a ninja. having the intense skillfullness of a ninja.
that was ninjaistic!

all asian movies are totally ninjaistic!
ninjaistic by secretasianninja September 17, 2010

NinjaMasterBeta 

NinjaMasterBeta is a cool guy.
Wow NinjaMasterBeta, you are cool!
NinjaMasterBeta by John Kimble April 8, 2004

Stealthie 

when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.

This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"

FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"
Stealthie by gwenhyfar October 2, 2016
Word of the Day on May 25, 2026