Top Definition
One who sneaks an attack at the neck with a sharpie.

Though there are many ways to accomplish this a true Ninja will come from behind his target and assassinate him.
Zack must have gone Sharpie Ninja on the entire school because everyone I see has the Mark of the Ninja.
by Luke Loukas May 29, 2008
1 more definition
One who sneaks an attack at the neck with a sharpie.

Though there are many ways to accomplish this a true Ninja will come from behind his target and assassinate him.
He must have gone Sharpie Ninja on the entire school because everyone I see has a fuckin' mark.
by Luke Loukas May 29, 2008

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