Related Clues:

• Ducky
• ''Yer darn tootin'''
• 'Fantabulous!'
• Cool, retro-style
• ''May I help you?''
• Impressive, to surfers
• Supercool
• ''No question''
• "Most certainly"
• ''Swell!''
• Nifty in the '50s
• "By all means"
• Fist pumper's cry
• 'Affirmative'
• With 25-Down, enthusiastic agreement