Related Clues:

• Cynical reply
• 'Yeah, whatever you say'
• With 36-Down, literally, beyond rational explanation
• 'Like I'd even consider that!'
• Skeptic's words
• Piece of the N.R.A.?: Abbr
• Expression of incredulity seen originally in a poem
• "Like that'll ever happen"
• "I sincerely doubt it!"
• 'Sure, tell me another one'
• 'Like that'll ever happen!!!'
• 'Sounds right'
• I very much doubt it!
• 'Yeah, really'
• 'You expect me to believe that?'