Related Clues:

• Unpleasant idiot Americans say is tough
• Cool relative
• "Tubular!"
• 'Tubular!'
• “Totally tubular!”
• Cool, '80s-style
• Awesome, in the '80s
• “Awesome, dude!”
• Meas. equal to 180°/pi
• Fantastic in the ’50s
• “Keen!”
• 'Sweet' in the 1950s
• Super keen
• 'Way cool, dude!'
• "Way cool, dude!"