Related Clues:

• Cynic's comment
• "Oh, sure!"
• 'Everybody knows that!'
• "Suuure"
• 'That's, like, so obvious'
• Doubting words
• 'I am such a dope!'
• Head-slapping word
• ''How stupid of me!''
• 'It's so obvious!'
• Doubter's words
• "No __!"
• Start of a speculative comment
• 'Obviously, Einstein!'
• "Yeah, sure, sure"