a bad egg

A dishonest or ill-behaved person. Primarily heard in US. We could tell he was a bad egg even at a young age.

(mainly American informal)

someone who behaves in a bad or dishonest way He's a bad egg - don't believe anything he says.

Name	Pronounced	Usage
RŮŽEna	-	Czech
Joi	JOI	English (Modern)
Westley	WEST-lee	English
Xabi	-	Basque
SÌNe	SHEE-na	Scottish
SÉVÉRine	-	French