Related Clues:

• "I'm not kidding!"
• "Seriously"
• Mom's tough emphasis
• 'I kid you not'
• "Honest to goodness!"
• 'Truly'
• Response to a skeptic
• Emphatic assertion
• 'No joke!'
• 'And that's the truth!'
• "Honestly"
• "True dat!"
• 'For real'
• Emphatic follow-up
• 'I swear it's true!'