Related Clues:

• ''Really?''
• 'Oh yeah, that'll happen!'
• 'Really?!'
• 'On what authority?'
• 'Like that'll happen!'
• 'Are you serious?'
• ''Oh, sure!''
• Cynical comment
• 'Ain't gonna happen'
• "What a crock!"
• 'Oh yeah, uh-huh!'
• 'Dream on!'
• "Like, no way!"
• "No kidding?"
• 'Sounds unlikely to me'