Top Definition
A ninja who is not currently working and is now in the guise of a civillian.
When a bank robber pointed his gun at me, he had no idea i was an off-duty ninja. He realizied later, though, when I had kicked his ass.
by trinityiam August 26, 2004
1 more definition
A self-proclaimed "pimp ninja" that is, in actuality, a virgin, and has no game whatsoever. He/She relies on Lutheranism (preferred religion) and party tricks to make his/herself seem cool towards others.
"Man, that Off-Duty Ninja loves the cock"
by Jew Styles February 14, 2004

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