What's biting?

What's biting somebody?

(informal)

something that you say in order to ask why someone is in a bad mood What's biting her? She hasn't said a word all morning.

Name	Pronounced	Usage
Jael	JAY-əl (English), JAYL (English)	Biblical
Tatjana	TAHT-yah-nah (Finnish)	Serbian, Croatian, Slovene, Macedonian, German, Latvian, Lithuanian, Finnish
Tacitus	-	Ancient Roman
Baily	['beili]
Corin	-	French
Aava	-	Finnish