Ninja-Roll

When you leave an event, party, or group of friends without saying good-bye.
I was so drunk last night I had to ninja-roll before I made a fool of myself.
by NinjaMang March 30, 2009
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Ninja Club

Nothing is known about the Ninja Club. They are ninjas.
...Duh...
Only that they overthrew the Stoo Pidpee Pull cult and that they exist.
"What is the Ninja Club?"
"Nobody... Knows..."
"No, seriously, who are they?"
"What part of the word NINJA don't you understand?"
"...The J..."
"Shut up."
by Orangy Snocket October 14, 2006
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20 Ninjas

A phrase used when a you know someone is talking bull shit.

When you know the persons story has virtually no accuracy what-so-ever and that the person makes them-self out to be the best.

This phrase comes from the fact that when the story is told that anything can happen to make the story teller sound cool and tough, such as I was in a fight with 20 ninjas and I beat them all in 20 seconds.
Story Teller: I was walking along the street then 5 gangsters jumped me. 7 of these gangsters had guns, they were shooting at me so I beat one up, took his gun and killed them all in one shot, because they were all in a line.

Man (to friend): Urg... 20 Ninjas
by corbane November 23, 2010
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ass ninja

A mythical being who exists to give people wedgies. As with the Tooth Fairy, Santa Claus and the Easter Bunny, the Ass Ninja visits all the little boys and girls in order to bunch their underwear at the worst possible times.
"Dude I totally just got visited by the Ass Ninja! Cover me while I pick my underwear out of my butt."
by Dark_Angel August 25, 2012
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sniper ninja

The most elite, efficient class of stealth warcraft. Their existance is unknown to all but a select few. To become a sniper ninja, you must be able to shoot a mongolian's left testicle from 500feet awat while at the peak of an orgasm.
Person 1: "Holy FUCK dude, why did you just drop kick that baby!!??!?!"
Sniperninja: "Its O.K, I'm a sniper ninja."
by sniperninja02^ April 03, 2008
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Window Ninja

When you're messed up on an illeagle substance, more than likely an "upper", and you keep looking out the window out of paranoia.
"Dude, quit playing window ninja over there. Why can't you just get high with us and be chill?"
by phatkhiken February 23, 2008
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Leprechaun Ninja

Also: Tom Cruise in 'The Last Samurai'
Did you see the Cruiser in that dumb movie? He was even smaller than the Japs. Looked like a Goddamn leprechaun ninja!
by Miles Pieri January 21, 2004
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