a bad apple

A person who negatively impacts an entire group of people through his or her words or actions. Taken from the proverb "a bad apple spoils the bunch." Jeremy is really a bad apple. After five minutes with my usually well-behaved kids, they're all acting out.

a bad/rotten apple

one bad person in a group of people who are good You'll find the occasional rotten apple in every organization.

Common Names:

Name	Pronounced	Usage
Sibonakaliso	-	Southern African, Zulu
Mooney	['mu:ni]
Lievin	-	Flemish
Dieter	DEE-ter	German
Faruk	-	Turkish, Arabic
Audrea	AWD-ree-ə	English (Rare)