Related Clues:

• Nutty thought
• Preposterous notion
• It's highly unlikely to work
• Sitcom episode premise, often
• Bozo's suggestion
• Wacky notion
• It will waste the boss' time
• Crazy notion
• It's so crazy it just might work
• Way-nutty option
• What human flight was once thought to be
• Crazy concept that *just* might work