Possible Clues:

• This flaw cracks up local clowns
• Tailor Swift led by prince and idiots
• Idiots
• Stupid people undone by this flaw?
• Nincompoops
• Mugs develop this flaw
• Henry Furlong is short with school fools
• Fifty per cent of wisecrackers may be fools
• Fools divide wisdom
• Fools semi-wild or semi-nuts?