tv. to cause an innocent person to be blamed for a crime; to contrive evidence so that someone appears to be guilty. (Originally underworld.) : Jimmy tried to frame his sister for painting the cat yellow.
n. and frame-up; frameup. a scheme where an innocent person is made to take the blame for something; incrimination caused by contrived evidence. (Underworld.) : The frame-up would have worked if it weren't for one little thing.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw-Hill Education.
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Indeed, it suggests they are a rogue cell calling a midnight caucus for a frame-up.