look up any word, like darude - sandstorm:
 
1.
An otherwise normal individual who has tendencies to lurk about in an aloof, bizarre, or suspect manner.
Nick: Where's Kev?
Greg: I dunno.
Karen: Were you here when he was talking about the coyotes?
Greg: Shadebird's probably outside chasing the moon or some shit.

or

Paris: What're yr sister and them doing tonight?
Kirby: Dude, she's 14. I have no idea.
Paris: You should text her.
Kirby: No, I shouldn't, ya frickin' shadebird.
by RyKirb July 11, 2008