To be made a fool of or embarassed
On the court, the player was shown up by his opponent after the opponent dunked on him.
by Seth04 April 17, 2006
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Shown up, is when you force out a liar and catch them out.
Carmelo was shown up tonight as he walked past my room and waived with a grin. Not for long as he come undone, but now I know he's a liar.
by Jo Albert August 13, 2020
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