Related Clues:

• Cool, once
• Groovy
• 'Holy Toledo!'
• 'Outta sight!'
• Just ducky
• Swell
• 'Peachy'
• 'That's amazing!'
• 'Keen!'
• 'Totally cool!'
• 'That's awesome!'
• 'Groovy!'
• 'Swell!'
• 'I'm impressed!'
• 'Ooh-la-la!'