Related Clues:

• ''Very cool!''
• Like, totally cool
• Like, totally bitchin'
• Impressive, to teens
• 'Impressive, dude!'
• Dated expression of appreciation
• Inspiring fear
• Car part, slangily
• Badass
• Physicist's measure
• "Really cool!"
• Unit at a reactor
• "Totally cool!"
• "Far out!"
• ''Sweet!''