Related Clues:

• Champing at the bit
• Bug-eyed, perhaps
• Stupefied
• Clearly surprised
• Dazed
• Slack-jawed
• Eagerly expectant
• Hanging on every word
• Type of innocence
• Dumbstruck
• Glued to the tube
• At attention
• Noticeably astonished
• Very attentive
• Buzzing with excitement