Related Clues:

• Cool, '80s-style
• Awesome, in the '80s
• “Awesome, dude!”
• Meas. equal to 180°/pi
• 'Way cool, dude!'
• "Way cool, dude!"
• “Way cool!”
• 'Sweeeeet!'
• 'Excellent!' in the '80s
• "Wicked!"
• "Coolio"
• "Groovy!"
• "Cool, dude!"
• "Coolio!"
• Geiger counter unit