Related Clues:

• Full of anticipation
• Eager and then some
• Wide open, as the mouth
• With one's jaw on the floor
• Like an eager beaver
• Mightily impressed
• Quite enthusiastic
• Wide-eyed with wonder
• Aroused
• Like kids at a circus, maybe
• With jaw on floor
• Completely wowed
• Showing shock, in a way
• Clearly floored
• Showing shock