shit-eating grin

(redirected from a shit eating grin)
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shit-eating grin

rude slang A facial expression denoting arrogance, smugness, or self-satisfaction. Primarily heard in US. I really wanted to wipe that shit-eating grin off his face after he won the poker game.
See also: grin
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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