Related Clues:

• Crestless wave
• Like The Fonz
• "Groovy!"
• Like Fonzie
• Nifty, in the '50s
• Drink order
• 'Gnarly!'
• Spick-and-span
• Straight up
• 'Nice!'
• "Wow!"
• Bang-up
• In good order
• 'Peachy!'
• 'Sounds swell!'