Related Clues:

• 'Definitely!'
• "Now I remember!"
• "Oops, almost forgot"
• ''Is that so?''
• Kin of 'Oh, yeah?'
• 'No kidding?'
• "'Zat so?"
• A question of authority?
• 'Now I remember'
• ''Now I remember''
• "No fooling?"
• "Are you serious?"
• Pugnacious retort
• Honestly, it's a fact
• Actually, in fact