Related Clues:

• Impressed word
• 'You've got my attention!'
• Lead in to la-la
• Reaction to Christmas lights
• Bear with head cut off? I say!
• "That's really nice!"
• "Incredible!"
• "Sign me up!"
• "Look what I found!"
• "Impressive!"
• Sound often heard at Cirque du Soleil
• “I’m impressed!”
• Bet-matching phrase
• Hacker's announcement
• Parade attendee's cry