Related Clues:

• 'In your face!'
• "Fat chance"
• "I'll just bet!"
• "Highly unlikely!"
• "That's not happening!"
• 'Doubtful'
• 'LOL!'
• "Sure, whatever!"
• ''My eye!''
• 'Mmm hmm'
• "Like that'll ever happen!"
• "Dream on!"
• Doubting riposte
• "That's what you think!"
• Sarcastic exclamation