Ninjility is the ability to be a Ninja.

A person who exceeds higher than others like a ninja!
I could beat him up.", "Dude you know who he is?", "Um no?", "Man he's mastered the Ninjility!
by Beasty Man August 24, 2010
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adj. As agile as a ninja.
Damn Donnie, you're as agile as a ninja. I'd say you're ninjile, even.
by phaedrusxy October 20, 2013
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