Related Clues:

• 'Su-u-ure'
• 'That's rich!'
• 'A likely story'
• "Fat chance"
• "Highly unlikely!"
• "That's not happening!"
• 'Doubtful'
• "Sure, whatever!"
• ''My eye!''
• 'Mmm hmm'
• "Like that'll ever happen!"
• "Dream on!"
• ''Whatever you say''
• Doubting riposte
• Sarcastic exclamation