Related Clues:

• "Cool!" old-style
• ''Far out!''
• Nifty
• Very good
• Straight in a snifter
• Cheer competition
• ''Neato!''
• 'Way cool!'
• ''Peachy!''
• Fine and dandy
• Undiluted, as whiskey
• Litter-free
• ''Keen!''
• Far out
• ''Groovy!''