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
Ernst	ERNST (German), ERNSHT (Swedish)	German, Dutch, Danish, Norwegian, Swedish
Adolph	AD-ahlf, AY-dahlf	English
Ekenedilichukwu	-	Western African, Igbo
Elliott	EL-ee-ət	English
Alwin	['ælwin]
Nthanda	-	Southern African, Tumbuka