Related Clues:

• 'Puh-lease!'
• Stop dreaming
• “Don’t be ridiculous!”
• 'In your dreams!'
• Words after 'Oh, come on'
• 'You can't be serious!'
• "No way!"
• Skeptical comment
• 'Stop dreaming!'
• This puzzle's theme, succinctly
• 'Be serious!'
• Face facts, slangily
• 'Quit dreaming'
• "You can't be serious!"
• "Oh, be serious!"