What's the big idea?

(informal)

something that you say when you want to know why someone has done something that annoys you What's the big idea? That's my lunch you're eating.

Name	Pronounced	Usage
Gianna	JAHN-nah (Italian), YAH-nah (Greek)	Italian, Greek
Abessalom	-	Biblical Greek
Billings	['bliŋz]
Aminda	ah-MEEN-dah	Esperanto
Philomel	FIL-ə-mel (English)	Literature
Oshea	-	Biblical