Related Clues:

• "No kidding?"
• ''I'm telling the truth!''
• "Really?"
• "For sure!"
• Phrase in a kid's argument, perhaps
• Incorruptible
• "No lie!"
• ''How sweet ___!''
• "Cross my heart!"
• ''Amen''
• 'No lie'
• 'Verily'
• 'Yes, indeed!'
• 'How sweet --!'
• ''It's true, really!''