Related Clues:

• Cool, in the '50s
• Cooling device, slangily
• Like, totally cool
• ''Nifty!''
• Like, totally bitchin'
• 'Impressive, dude!'
• 'Peachy keen!'
• Dated expression of appreciation
• "Swell"
• Car part, slangily
• 'Way cool, man!'
• Badass
• Glorious
• Old-fashioned "cool"
• "Peachy keen!"