Related Clues:

• ''Awesome!''
• '90s kids' shout
• 'Groovy!', updated
• "Cool!"
• 'Far out, man!'
• Swell, to surfers
• Radioactivity unit
• "So cool!"
• "Way cool!"
• ''Cool!''
• ''Super!''
• Super cool
• Bad, in rap slang
• Cool, to surfers
• Auto part