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Door-Ninja

A person who slips in a door quickly before it closes without touching the door.
That bastard door-ninja didn't hold the door for me.
by TurboTurbo January 10, 2011
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Ninja Tank

In RPGs and some MMORPgs, is another word for a character that can be in the forefront of the battle and survive the outcome due to sheer evasiveness rather than high armor and health. An example would be the assassin from the pseudo-MMORPG game "Guild Wars", especially in PvP mode.
"OMG, why duz teh PVP 'Sin not die? teh whole team is attacking him... I h8 ninja tanks
by BinaryEmperor August 18, 2008
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Ninja Chord

Usually played on guitar, but just the same on piano, this is a series of notes that requires the player to stretch their hands out as far as humanly possible.
I can't believe all that Ninja Chords that Al DiMeola played tonight!
by Matt Wrong April 20, 2011
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Infinity Ninja

1. A lemniscate (AKA the infinity sign, or a side-ways eight) that looks like a ninja. Once you see one you'll start seeing them everywhere.

2. The most powerful ninja in the world, one who can control time, destroy the universe, etc.
What's more, HE'S EVERYWHERE. Look at your keyboard sideways, between the 7 and the 9. He's there, looking at you.
1. (tilt your head)

8 ----> (8)X-< It's a ninja!

2. Ninja 1: He's too much for us....
Ninja 2: Where did we get the idea that we even had a chance? There's a whole army of them now......
Infinity Ninja: ∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞
by MisterDot December 21, 2010
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ER Ninja

A very educated and talented person in the field of emergency medicine.

Someone who is quick, sufficient, and very well versed in every aspect of the emergency room.

A person that works in the ER that has mastered everything and is therefore a ninja in the ER.
Preston really knows his stuff, he is quintessentially an ER Ninja.

Did you see that ER Ninja? He was so fast in taking care of that difficult situation he practically made it disappear.
by Night.ER.Ninja July 27, 2014
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Ricky Ninja

(ADJ.)Describes acts of stealing, procuring, getting out of doing a difficult task, or anything sneaky on Navy ships or bases
1. A Ricky Ninja can steal anything that is not welded down.
2. The only thing a Ricky Ninja can't do is steal something bonded at the molecular level or steal something that is heavier than humanly possable to carry.


That does not mean they won't try.
by Nubb'n December 17, 2008
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Ultimate Ninja

Ultimate Ninja is a fun game for 2 to around 8 players . No supplies are needed other than your hands.
Players stand in a circle and decide who they wish to begin the game. The starter will then have everyone in a bowing position facing the center and will state "Uuulllllltimate NINJA!!"

At this point, all players will jump away from the center and take a stance. THE GOAL OF THIS GAME IS TO SLAP A HAND OF YOUR OPPONENT. If a player's hand is slapped, he must leave the circle and the game. HERE'S THE CATCH: You may only take ONE fluid motion to slap your opponent's hand, and if someone is attempting to strike you, you may take ONE fluid motion to move your hands or body out of the way, and you must retain that position until it is your turn to block or attack. The las person left in the circle is the winner and is the next game's winner.

The first strike should begin with the starter and continue from there in a clockwise order. You may attack anyone in the circle and even jump to make a strike.

PENALTIES: If you move your body or hands out of turn, flinch, or move your body in a more sophisticated way than one fluid motion in one direction, you must stand up straight and place your hands out in front of you, palms face down as a penalty. You may evade the attack that may be aimed at you.

This is A LOT of fun, but takes some getting used to. TRY IT!!
Ultimate Ninja!!!: I jump backwards throwing my hands behind my back, Carlos narrowly missing me. I look around and throw myself forward hitting John's hand, sending him out of the game. But!–I feel my hand being slapped quickly and turn to see that Shanice had caught me off guard; she had won the game.
by Necropirate August 15, 2009
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