1 definition by Pencil Vania

1.
Noun;

a highly skilled assassin. It is widely accepted that ninjas are capable of literally melting into surfaces where the shadow is sufficient.
It is generally uncontested that a ninja is fully capable of killing you in the center of a social event without being seen, heard, or witnessed in any way by your senses. Hell, he'll probably be gone before you hit the damn floor.

2.
Adjective; to describe an act of extreme skill or stealth.

2.
Verb; an act of extreme skill or stealth. Usually used as a hyperbole, because nobody knows exactly how a ninja works, as normal people have yet to see it in action.
1.
"Wanna watch Naruto with me? He's a really cool ninja."
"No, no, you got it wrong. Naturo is a pussy, not a ninja."

2.
"Gentlemen! We just seized an airfield.
...That was pretty fucking ninja."

3.
"I just totally ninja'd that fool!"
"I concur. Ninja'd that fool you did."
by Pencil Vania April 28, 2010
Get the Ninja mug.