Related Clues:

• X-ray spec
• Awesome
• 'Totally cool!'
• Totally awesome
• “Far out, man”
• Way cool
• ''Far out!'' to a physicist?
• Circle meas.
• 'Cool, man!'
• ''Far out!''
• "Awesome!" '80s style
• ''Way cool!''
• ''Neato!''
• 'Way cool!'
• 'Way out!'