1 definition by Hank S

Top Definition
Extremely clever or intelligent, to the point of scariness. Used by parent to refer to a child who figures things out and gets into mischief. May be analogous to the more familiar term "wicked", a paradoxical intensifier, as in "wicked good".
"David is criminal smart. He got into the computer and reformatted the hard drive."
by Hank S May 23, 2008
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