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
Faddey	-	Russian
Roza (1)	RO-zah (Russian)	Russian, Slovene, Bulgarian, Macedonian
Gobinda	-	Bengali
RuaidhrÍ	ROR-ee	Irish
Aldrich	['ɔ:ldritʃ]
Elmer	EL-mər	English