Related Clues:

• '90s kids' exclamation
• 'Gee, that's swell!'
• "Gee, that's swell!"
• 'Excellent, dude!'
• Gnarly relative
• 'Cool!,' in surfer slang
• 'Sweet' ancestor
• '90s ''Cool!''
• Retro ''Cool!''
• Rad relative
• Nifty, to the Beave
• "Wicked!"
• Drama school lacks a measure of dangerous activity
• Cool, totally
• "Far out, man!"