Related Clues:

• All atwitter
• Head over heels
• In an excited state
• Knocked for a loop
• Ready and raring
• Knocked the socks off of
• Overly excited
• Clearly stunned
• All aflutter
• Eager, plus
• Intensely interested
• Shocked ... shocked!
• Intensely excited
• Showing surprise
• Eager, and then some