pratfall

PRONUNCIATION:
(PRAT-fawl)
MEANING:
noun: A humiliating failure, blunder, or defeat.
ETYMOLOGY:
A pratfall is literally a fall on the buttocks. The word is figuratively used to describe embarrassing errors or failures. From prat (buttocks, fool) + fall. Earliest documented use: 1939.
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PRATBALL - like football but you don't tackle the guy with the ball you pat him on the butt and he is ruled down.
(like touch football except you pat instead of touch.)