Related Clues:

• Jim Carrey often plays one
• Misapprehension
• Moronic mistake
• Bloomer
• Jackass
• 'Does not compute'
• Execute poorly
• Mike's friend on "Growing Pains"
• Ground ball between the legs, for one
• Eraser's target
• Mistake, lapse
• Blunder or mistake
• Fallacy, mistake
• A blunder, faux pas
• It's a mistake