When a person gets very intoxicated, usually off whiskey, without anyone else noticing. This usually occurs after a hard and long break up and results in a night of vomiting.
-George was a real Whiskey ninja last night!
-I know he drank half the bottle
-Whiskey NINJA!
by GINT234 May 22, 2010
5 Words related to Whiskey Ninja
When a friend gets drunk of whiskey behind your back, usually after a hard break up.

The act of swigging whiskey like a ninja, so no one sees you drinking.
-George is a whiskey ninja, he got so drunk and no one even noticed.
-What a whiskey ninja!
by Gib1234 May 20, 2010

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