Related Clues:

• 'I'll bet!'
• Gotcha
• 'I told ya!'
• [snort]
• 'Shows you!'
• "That'll be the day!"
• ''That's what YOU think!''
• Shout of defiance
• Gloater's exclamation
• 'Like I'm supposed to believe THAT!'
• "That can't be right!"
• ''Puh-leeze!''
• Derisive reply
• "And I'm Abraham Lincoln!"
• "You must be joking!"