1 definition by BeckyLynn562

Someone who is definitely guilty, without a doubt. They're so guilty you might as well have caught them red handed/seen them committing the crime.

Replaces the phrase "guilty as sin."
Person 1: "Do you think Jane cheated on her boyfriend?"
Person 2: "Oh hell yeah, she's guilty as Casey Anthony!"
by BeckyLynn562 July 8, 2011
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