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
Antonia	ahn-TO-nyah (Italian, Spanish), an-TON-ee-ə (English), ahn-TO-nee-ah (German, Dutch), ahn-TAWN-yah (Polish)	Italian, Spanish, English, German, Swedish, Norwegian, Danish, Dutch, Polish, Romanian, Ancient Roma
Mu'tasim	-	Arabic
Thomas	TAHM-əs (English), TOM-əs (English), to-MAH (French), TO-mahs (German, Dutch), tho-MAHS (Greek)	English, French, German, Dutch, Swedish, Norwegian, Danish, Greek, Biblical, Biblical Latin, Biblica
Susie	['su:zi]
Simon	['saimən]
Hillary	['hiləri:]