Related Clues:

• 'Uh-huh, yeah, sure'
• Skeptic's rejoinder
• Expression of doubt
• Exclamation of disbelief
• Scoffing comment
• ''That's not gonna happen''
• 'Yeah, sure ...'
• "That's unlikely"
• Cynical comeback
• 'Yeah, that'll happen'
• 'Like that'll ever happen'
• ''A likely story''
• "A likely story"
• ''Very doubtful!''
• 'Yeah, yeah'