Related Clues:

• Skeptic's comment
• 'Really?'
• 'Oh, really?'
• 'For real?'
• 'You don't say'
• "No kidding!"
• ''Really?''
• "No kidding?"
• "Really?"
• "Oh yeah?" follower
• "You don't say"
• "Oh yeah?"
• Question following 'Oh, yeah?!'
• Defiant challenge
• "Oh, really?"