Not likely!
Else clues • ___ you a million dollars...
• 'Yeah, right'
• A likely story!
• Like that's going to happen
• Oh, sure!
• Ri-i-ight
• Yeah, sure!
• Yeah, yeah!
• Remark of the unconvinced
• Skeptic's comeback
• Skeptic's remark
• Skeptical comment
• Skeptical response