Related Clues:

• 'Are you serious?'
• ''Oh, sure!''
• Cynical comment
• "What a crock!"
• 'Oh yeah, uh-huh!'
• 'Dream on!'
• "No kidding?"
• "Really?"
• Skeptical rejoinder
• Sarcastic retort
• ''Yeah, sure''
• "Yeah, sure!"
• 'Likely story!'
• "Not likely"
• "Yeah, really"