Related Clues:

• "As if!"
• ''That'll be the day!''
• ''The deal is off!''
• Sarcastic reponse
• Cynic's comment
• "Oh, sure!"
• "Suuure"
• Doubting words
• ''Ixnay!''
• ''Ain't gonna happen!''
• Doubter's words
• Start of a speculative comment
• "Yeah, sure, sure"
• 'I ain't buyin' it!'
• "Oh, suuure"