Related Clues:

• "Yeah, sure!"
• 'Likely story!'
• ''How silly of me!''
• "Not likely"
• 'Well, obviously!'
• "Yeah, really"
• Scoffer's words
• ''I should've thought of that!''
• "How dumb can I be!"
• "Yeah, sure"
• 'I'm such a dope!'
• Skeptic's phrase
• ''No kidding, stupid!''
• 'Isn't that obvious?!'
• "How silly of me!"