Related Clues:

• 'Uh-huh'
• 'Yeah, right!'
• Cynic's retort
• 'Oh, right!'
• 'Don't think so'
• 'Boy, am I stupid!'
• 'Yeah, sure!'
• Simpleton's utterance
• 'Yeah, right'
• 'Oh, sure!'
• 'Oh, sure'
• 'Yeah, sure'
• Skeptic's comment
• 'Fat chance!'
• 'Of course!'