Related Clues:

• Insincere agreement
• Skeptical reply to a supposed fact
• "As if!"
• "Doubt it"
• "Oh yeah?"
• "Suuure"
• "Not likely!"
• 'Yeah, yeah!'
• "Ri-i-ight"
• ''Oh yeah?''
• 'Uh-huh, yeah, sure'
• In a bad way with back? That sounds very sceptical indeed (1'2,3)
• Skeptic's response
• 'Uh-huh, sure'
• 'Oh yeah?'