Related Clues:

• Gobsmacked
• Hopped up
• On the edge of one's seat
• Staring open-mouthed, perhaps
• Shocked or wowed
• More than just expectant
• All ___ (excited)
• Totally wowed
• Enthusiastic, and then some
• Wildly eager
• Stoked, perhaps
• With eyes-a-poppin'
• Very interested
• Enthused
• All in a twitter