Related Clues:

• 'Yeah ... whatever!'
• 'That's rich!'
• 'A likely story'
• "Highly unlikely!"
• "That's not happening!"
• 'Doubtful'
• Not at all, slangily
• "Like that'll ever happen!"
• "Dream on!"
• "You're dreaming!"
• Valley girl's "Pshaw!"
• 'Yeah right!'
• 'Not gonna happen'
• Not in the slightest
• ''__ you didn't know!''