Short reference to Slim Shady, aka Eminem, aka Marshall Mathers.
''look dawg, Shady's on TV''
by Brendan April 7, 2003
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Something that's suspicious, strange, or just plain awkward.
The fact that you "found" $100 is pretty shady.

Rob "shady" Fini
by MDOC August 24, 2006
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1. Suspicious looking
2. Short for Slim Shady aka Eminem
3. Clothing line founded by Eminem
1. That musta looked mad shady when I walked up to Chris at work, handed him $20, then left.
2. Slim Shady is the only respectable white rapper.
3. That Shady hoodie was $80.
by deeee May 20, 2004
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A place you don't want to be. This place may exhibit any combination of the following characteristics:

1. a high crime rate
2. a plethora of sketchy characters (aka thugs)
3. dark alleys or blind corners
4. the presence of metal detectors or rent-a-cops
5. instills a fear of you gettin' jacked

Ladies, if you have to ask a guy to walk you to your car for safety reasons (and not because you want to make out with him) ... the place is definitely shady.
I don't care that parking garage has decent lighting, it is shady from midnight to 6 am. Why else would they need a rent-a-cop?

The G-bar over in downtown is shady. Even my buddy Ian, who's pretty much a thug, got jacked there.

Ken went to a shady high school.
Really, how shady?
So shady they put metal detectors at the doors his freshmen year.
by PtotheJ January 2, 2008
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the use of trickery or tom foolery to cause shenanigan's.

see - Trickery, tom foolery, and shenanigans for more details.
by Natalie Daniels April 21, 2011
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A behavior produced when someone has lost all light. Very secretive. Sneaky. A person who steals all light from everyone else for personal gain.
Kevin really needs to get some sun, he is one shady bastard!
by crazybumpkin82 August 11, 2014
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To avoid people in an obvious way.
That's so shady if we stay in my room and get high all day.
Why wont you return any of my calls? Quit bein shady.
by Larissa110 May 10, 2006
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