Related Clues:

• Dimwit
• Dork
• Fool
• It may come easily to hand
• Ding-a-ling
• 'Space cadet'
• No Einstein
• Fad item of 1961
• Birdbrain
• Show uncertainty
• Show wild instability
• It's used to walk the dog
• Simpleton
• Swing wildly
• Doofus