Related Clues:

• Skeptical response
• 'Oh, yeah?'
• Skeptic's retort
• "That's a lie!"
• Response to a dubious assertion
• 'On what authority?'
• ''According to what authority?''
• Skeptical reply to a supposed fact
• "Oh yeah?"
• Skeptic's comeback
• ''Oh yeah?''
• 'Oh yeah?'
• Querulous question
• “Oh, really?”