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1.
Where one has become so drunk that he/she feels as though he/she has attainted the mystical powers of the ninja.
"Holy shit Billy tried to do a spinning hook kick from the roof and broke his ankle... he must be fucking ninja drunk!"
by BrendanH April 12, 2006
 
2.
When you are drinking and minute you're fine and the next minute you're waste.

It's when the alcohol sneaks up on you like a ninja.
Yo dude red bull and vodkas get me Ninja Drunk. I never know when they are going to hit me.

I was talking to Emily and everything was fine and then she got Ninja Drunk and could barely walk.


by Sc Smith (zy3n) September 18, 2008