Ninja: "SHORYUKEN!"

Bystander: AAH! Ninja attack!

And then everyone dies.
by TZScribblez December 3, 2007
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When prisoners wrap shirts around there heads to make a mask and go attack fellow immates,The very same tradition my own Father started.
Tray - Yo dogg let's Ninja this foo.

cop - All we saw was eyes.
by GDOGG November 1, 2004
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its when your embarressed about being on wellfare,and your about to pull out your bridge card. Instead of calling it that you say ninja attack!
Hey your total is 5.50
hang on let me pull out my ninja attack!
by courtney and jeremy!!!!!!!! October 11, 2007
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The act of breaking an entry for the sole intent of stealing the batteries of the victims remote.
I've been a victim of a drunk ninja attack! Now I have to get off my lazy a** and change the channel myself...
by UDawesome August 7, 2010
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MUST BE DONE WITH LIGHTS OFF! While the male is having sex with the female in the doggy style position, he pulls out and inserts a dildo, so the women is non the wiser that the man has pulled out. The man continues to pleasure her and suddenly turns the lights on, yells "SURPRISE NINJA ATTACK!", and punches the female in the face. Then turns the lights back off.
1)"Bro, remember molly?"
2)"yea...?"
1)"Bro, I totally surprise ninja attacked her last night"
2)"Nice."
by hubbabubbamax11 May 31, 2011
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way of grooming a dog or sexual position. Dog: fold ears over head so they touch and put a ninja mask on him.

Sex: jump from top of pancakes and land perpendicularly on top of sexual partner. Also wearing a ninja mask.
"Here at west minstah we see Spuds with the "Ninja Attack Flap Jack."

"Baby, finish me! Do the Ninja Attack Flap Jack!"
by bill from ultimate fakebook February 19, 2004
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In any video game:
When death occurs for an unknown reason.
Nobody knows how it happened.
Nobody knows why it happened.
Nobody knows WTF happened.

But, it's fucking hilarious.
Guy 1: "WTF, did Jesus just snipe me?"
Guy 2: "Bro, I have no clue you just fainted."
Guy 1: "Fucking Ninja Heart Attack, damn it."
by WolfRhino March 2, 2008
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