Related Clues:

• Radioactivity unit
• "So cool!"
• Obviously carefully written
• Like unmixed whiskey
• Without a mixer
• "How peachy keen!"
• "Way cool!"
• ''Cool!''
• Whiskey order
• Trim and tidy
• ''Super!''
• Super cool
• Nifty, to The Beave
• Cool, to surfers
• 'Dandy!'