Related Clues:

• Very cool
• Old-fashioned ''Super!''
• Excellent!
• Epic
• Remarkable
• ''Awesome!''
• '90s kids' shout
• Like the Smoky Mountains
• 'Groovy!', updated
• "Get a load of that!"
• "Cool!"
• 'Far out, man!'
• ''Peachy keen!''
• Swell, to surfers
• Radioactivity unit