Have -- in one's bonnet

• End of a Muhammad Ali motto
• ". . . sting like ___"
• ". . . sting like ___" (end of Ali's catchphrase)
• Busy as ___: 2 wds
• "...butterfly, sting like ---"
• "Float like a butterfly, sting like ___": 2 wds
• End of an Ali quip
• ''Float like a butterfly, sting like ___''
• A bonnet occupant

Wiktionary Word definitions in Wiktionary
n. 1 A hamlet in Alberta, Canada 2 An enstatite chondrite meteorite found in the aforementioned hamlet.