Related Clues:

• Open-mouthed Facebook reaction
• "Ooh!" or "Whoa!"
• 'Jeez, wasn't expecting that!'
• "Zowee!"
• Word meaning "Amazing!"
• 'I'm in awe!'
• "I. Am. Speechless."
• 'I. Am. Speechless.'
• __ factor: impressive quality
• 'Utterly amazing!'
• Really amaze
• 'Mind. Blown.'
• ''Gee, I'm impressed!''
• That’s amazing! It goes up and down!
• Success that may rise or fall