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.

Common Names:

Name	Pronounced	Usage
Aya	ah-yah	Japanese
Dante	DAHN-te	Italian
Norris	['nɔris]
Hennie	HEN-nee	Dutch
Leoncio	le-ON-thyo (Spanish), le-ON-syo (Latin American Spanish)	Spanish
Israhel	-	Biblical Latin