Related Clues:

• Fist pumper's cry
• When repeated, part of a Beatles refrain
• Affirmative answer
• Shout of approval
• See 1 Across
• ''You tell 'em!''
• ''Awright!''
• ''Sure!''
• Repeated word in 'She Loves You'
• ''Uh huh!''
• Casual affirmative
• Word repeated in ''She Loves You''
• 'Okay'
• ''Naturally!''
• One-third of a Fab Four refrain