Related Clues:

• One-third of a Beatles refrain
• 'Is that so?'
• "Let's go!"
• "Uh-huh"
• Informal assent
• Absolutely!
• 'Sounds good to me!'
• 'I guess that's true'
• 'Uh-huh!'
• "You bet!"
• Poker phrase
• 'Amen to that!'
• 'Sure!'
• Colloquial affirmative
• Okay