Related Clues:

• Free of clutter
• Cool, in the '50s
• Cooling device, slangily
• With no rocks
• Like Felix Unger
• ''Very cool!''
• Like, totally cool
• ''Nifty!''
• Like, totally bitchin'
• Impressive, to teens
• ___ as a pin
• 'Impressive, dude!'
• 'Peachy keen!'
• Straight up, to a bartender
• Dated expression of appreciation