An otherwise normalindividual 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.
When you ask your best friend to hate on your shine so you can practice curving(blocking out) the haters BEFORE the REAL haters show up in your DM/TimeLine/RealLife
Girl: I juss bought a new car. Paid in full!
BF: Girl you wanna do some shadeboxing
Girl: Hell yea! I ain't ready for what my momma or my co-workers gonna say.
BF: ok..... " is he dead or who's grandfather paid for that?"
Using facebook or other similar social media platforms to throw shade on others, usually without calling them out by name. Closely related to vaguebooking
I'm thinking of shadebooking my deadbeatex-husband for bailing on his fatherly duties again.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.