Related Clues:

• Impress, and then some
• "Holy Toledo!"
• Totally wow
• Leave flabbergasted
• Admiring interjection
• Cry of amazement
• Gobsmack
• Cause jaws to drop
• 'That's so cool!'
• "That's so cool!"
• Make eyes pop and jaws drop
• Leave in shock
• "Boy, is that good!"
• Blow away, so to speak
• ''That's something!''