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A guy that is very very sly. So sly to the point where your jaw drops when he does his cunning actions.
Freddy: "Cory, I can't believe you just benched 365; That's so incredible!"

Cory: "Yeah, I'm what you call a Sly Guy."
by Backflip Guy August 02, 2009
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May 7 Word of the Day
Paper product used as a barrier against unwanted messes, such as the liner at the bottom of a bird cage.
Please put a New York Times under that before it gets all over the place.
by Phaedrus331 February 12, 2021
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