Related Clues:

• 'Honestly!'
• "I'll swear on a stack of Bibles!"
• "Cross my heart"
• 'For reals!'
• "I kid you not!"
• "I'm not kidding!"
• 'I kid you not'
• "Honest to goodness!"
• 'Truly'
• Response to a skeptic
• 'And that's the truth!'
• "Honestly"
• "True dat!"
• 'For real'
• 'I swear it's true!'