Related Clues:

• ''Far out!''
• "Yikes!"
• Dumbfound
• "Man!"
• 'Amazing!'
• Startle
• Awe
• Confound
• Arouse great enthusiasm
• Regale an audience
• Huge success
• "That's amazing!"
• Knock one's socks off
• "Awesome!"
• Exclamation