ninja chirpse

Chirpse so subtle, but effective, that the other person doesn't realise until it's too late
Guy 1: Dude I totally scored with that girl last night!
Guy 2: Really? She didn't seem that into you...
Guy 1: It was a classic ninja chirpse
by Gerontius June 06, 2013
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Rusty Ninja

After a sporting event; when your teammate is washing his hair and his eyes are closed, someone sneaks up behind him and checks his oil with their thumb (quickly slips a thumb in his ass), then runs off before he is able to rinse the soap away and identify the clandestine violator
After the game someone gave John a rusty ninja. John was attacked by a rusty ninja after the game. Be careful, there's a rusty ninja in there.
by sandy_x November 27, 2012
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nerdy ninja

A ninja who is also good at mathematical calculations
He snuck up behind me and did my homework! What a Nerdy Ninja
by Dig abick11 February 27, 2017
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Lag Ninja

Video game opponent who appears to teleport all over the map due to lag.
Sometimes using a lag switch.
"Dude I can't fucking hit him! He's a fucking lag ninja!"
by Yhatzee January 31, 2009
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accent ninja

Someone who usually doesn't have an accent, but every now and then, an obnoxious one sneaks its way into conversation.
by RobinSparkles1983 August 16, 2010
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Booze Ninja

A term used to define a person who loots the booze off of a party, then soon after leaves.
Can be used as an adj, noun, verb, or adverb if your creative.
adj: Hey, get back here you booze ninjaing bitch!

noun: Don't let these two booze ninjas in the party.

verb: Man, I booze ninja'd some bitches party.

adverb: Hey, you guys booze ninjaingly stole my booze from my party last night!...? (Im not creative)
by Jay Ko March 28, 2009
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Ninja Sack

A prank that is pulled usually in high school by taking someone's back pack, taking everything out, turning the backpack inside out and putting the stuff back in.
Dammit! The seniors ninja sacked me again.
by YarmouthClippers June 14, 2009
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