Possible Clues:

• Texter's 'Wow!'
• Texter's "Wow!"
• Texter's "Yikes!"
• Texter's 'Holy cow!'
• Texter's "Holy cow!"
• Texter's "Heavens!"
• Texter's 'Yikes!'
• Texter's "Holy moly!"
• 'Srsly?!'
• Online gasp