by The samm May 08, 2007

To receive the assassination medal in Halo 3 by striking an opponent in the back. Occasionally done by jumping over said opponent while they are in hot pursuit and smacking the back of their head (This is usually performed by more skillful player due to the need for precise timing and control).
Halo Player 1: Why are we in theatre mode?
Halo Player 2: I just have to show you this awesome Ninja I pulled on (Insert Pro Gamertag) last night in MLG.
Halo Player 1: Is it anything like the other 6 you have in your Fileshare already?
Halo Player 2: Better..
Halo Player 2: I just have to show you this awesome Ninja I pulled on (Insert Pro Gamertag) last night in MLG.
Halo Player 1: Is it anything like the other 6 you have in your Fileshare already?
Halo Player 2: Better..
by AZB September 01, 2009

by Collierflower January 19, 2009

A derogatory term for ladies in Arab countries covered from head to toe in Black clothes with only the eyes showing.
by gny April 08, 2009

Nin-ja nin-juh
–verb, plural - Ninjas.
-verb past tense - Ninja'd
The word Ninja is rapidly becoming used as a replacement verb, which can mean virtually anything, as long as the subtext is clear.
This, of course, is not limited to actual Ninja behaviour... however, when one Ninjas, one must be ready to have others Ninja back.
–verb, plural - Ninjas.
-verb past tense - Ninja'd
The word Ninja is rapidly becoming used as a replacement verb, which can mean virtually anything, as long as the subtext is clear.
This, of course, is not limited to actual Ninja behaviour... however, when one Ninjas, one must be ready to have others Ninja back.
We must go out and Ninja in the night.
I forgot to Ninja my pencil.
I could Ninja all day!
I could Ninja all night. (usually said with a wink and a grin)
He Ninjas better than any of them.
She and I Ninja'd pretty well at pool.
I forgot to Ninja my pencil.
I could Ninja all day!
I could Ninja all night. (usually said with a wink and a grin)
He Ninjas better than any of them.
She and I Ninja'd pretty well at pool.
by Carolyn Steven November 06, 2008

Any of various warm-blooded vertebrate animals of the class Mammalia, including humans, characterized by a covering of hair on the skin and, in the female, milk-producing mammary glands for nourishing the young.
Ninjas are mammals.
by Donatello April 01, 2003

by Koadyy October 29, 2008
