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A person with ninja-like skills who is able to blend into dark areas with ease. He may get pleasure out of hiding from people in said dark areas.
Guy1:Hey,have u seen my brother.

Girl1:No,I have not.

Guy 2 walks out of shadow: You talking about me?

Guy 1 and Girl 1:HOLY CRAP!!! WHERE DID YOU COME FROM?!

Girl 2:You are such a nightshadow.
by da original nightshadow June 20, 2010
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