Related Clues:

• ''That's what you think!''
• ''No way!''
• Dickensian expletive
• Flapdoodle
• "Yeah, sure!"
• "Oh, nonsense!"
• Codswallop
• Quaint complaint
• ''Baloney!''
• Utter foolishness
• "Fiddle-faddle!"
• "As if!"
• 17-Across, quaintly
• Dismissive word
• "No way I'm believing that!"