Related Clues:

• "Like that'll ever happen"
• Doctor meeting Irishman with amputated foot? That's hardly likely
• Lecturer bringing in about a million? You wish!
• 'You wish'
• "Pfffffffffft"
• Two-word phrase that's synonymous with its second word backwards
• 'Yeah, you wish!'
• Aerosmith classic
• 'Pigs will sooner fly!'
• "You could never!"
• 'Oh sure, that'll totally happen!'
• "What you propose is not going to happen!"