Possible Clues:

• '... butterfly, sting like ___'
• Busy as —
• '... sting like ___'
• What you might be as busy as
• "... sting like ___"
• '... sting like --'
• Have ___ in one’s bonnet
• "... sting like ___" (Ali)
• ''. . . sting like __''
• "... sting like —"