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1.) verb: to take something that rightfully belongs to someone else, mostly in MMORPGs, such as wow; to steal
2.) noun: a player who practices ninja-ing against other players.
1.) "That jerk ninja'd the Assassination Blade, even though I won the roll!"
2.) "Don't group with that guy, he's a ninja looter!"
by Beleynn September 12, 2005
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23
Due to the fact we could not find any ninjas, we can not define them. We hope our apology is accepted. (But not by ninjas, for they never forgive, and they NEVER forget.)
That ninja is a great ninja, for we do not know what, who, or where it is.
by IfITellTheNinjasWillKillMe November 29, 2009
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24
n. pl. ninja or nin·jas or nin·jaed

One who takes loot before a group has made their decision. Typically greedy players and should not be trusted.
OMGWTF, someone just ninjaed Destiny in our UBRS raid!
by Tsurani August 11, 2005
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Mammals who fight all the time and whose sole purpose in life is to flip out and kill people.

Natural predators with only one enemy in nature, namely Pirates.
by dragonxero February 25, 2005
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27
Ancient Japanese warrior, well trained in the art of stealth. Some tools of the trade include shuriken, swords, daggers, and knives. Ninja were part of a clan.
by Mad Walrus September 21, 2002
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a free runner who is so sick he could just be a descendent of a ninja,
a person who is amazing and sneaks outa no where
the guy who always wins in hide and seek
but is never found
DUUUDE did u just see that guy, i swear to god hes a frikin ninja
dude i hate john he always wins hide and seek AND HE DOESNT EVEN COME OUT WHEN WE YELL GAMES OVER
damn that guys so ninja he drinks salt
outa a sippy cup
by KIZzla February 20, 2009
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