1. When a person wearing a ski mask or any other type of face covering, preforms fallacio upon another person's penis.
Dean was glad that he got a ninjajob on his birthday, he really didn't feel like seeing her face that morning.
by lordEden June 30, 2009
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by Hubert Gallon June 12, 2006
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Ninjabob1797: I once shaved my pubes, but then i dropped the razorblade and accidentally circumcised myself.
by CreepyChineseGuy February 18, 2017
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