Related Clues:

• Cool, quaintly
• Old-fashioned ''Cool!''
• Old-style ''Sweet!''
• Retro "Cool!"
• 'Suh-weet!'
• Old-fashioned 'Awesome!'
• Pop art interjection
• "How cool!"
• US interjection of surprise; middle name of film-maker Duncan Jones, David Bowie's son
• 'Sick!,' once
• "That's really cool!"
• Quaint 'cool'
• "That's really spiffy!"
• 'That's really spiffy!'
• A real hoot