Related Clues:

• 'Way out!'
• 'Excellent!'
• Far out
• Piece of candy
• Cool, in slang
• 'Cool, dude!'
• Short partner?
• "Sweet!"
• Cooler than cool
• Swell, '90s-style
• "___ dreams!"
• "Awesome!"
• Like Neil Diamond's Caroline
• X-ray dose
• Physicist's unit