To do in the fashion of a ninja.
I'm ninjing like a pro, baby!
To have sex, usually very quietly and in a fashion that will avoid detection. From the phrase "Ninja that bitch."
Most often heard in the gerund form "ninjing".
Yo, no ninjing on the mountain!
ninj (v.): to act in such a manner that could be construed as causing trickery, disruption, and/or pain on those who instill one's wrath
Ninj (n.): any one of a number of people who enjoy, and in fact take delight in, causing mischief and trickery on those who deserve it; i.e., mauling someone
v. "I'm gonna ninj you, you bloody prick, if you ever say something like that again!"
n. "I am so a ninj!"
to act like or immitate a ninja
im a ninja i ninj things
anything you want it to mean fitting the situation.
Damn you ninjed up that shot.
You look like a Ninj.
This Concert is hella Ninj.
To steal or take wrongly; to hijack; to snatch; most synonymous with "to jack"
One who ninjes is a ninjer, or in ghetto parlance a ninja.
that guy totally ninjed my pen