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First seen in Bungie.net's Humpday Challenge DOA4 edition. Meaning to be owned, or in the case of a noob, pwned, severely. Most typically by a ninja, or in a stealthy fashion possibly by an assassination, Halo style.
"Joe got Ninjowned." from Bungie.net's article on the DOA 4 Humpday Challenge.
by cauc8Xsens8X January 13, 2006
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