a bee in bonnet

a bee in (one's) bonnet

1. An impulse to do something; a notion.

2. An obsession.

Name	Pronounced	Usage
Agatha	AG-ə-thə (English)	English, Ancient Greek (Latinized)
Abbey	AB-ee	English
Aden	AY-dən	English (Modern)
Eveliina	E-ve-lee:-nah	Finnish
Etta	ET-ə	English
ViŠNja	VEESH-nyah	Croatian, Serbian