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."
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!"
Person 2: "Oh hell yeah, she's guilty as Casey Anthony!"
by BeckyLynn562 July 08, 2011