Related Clues:

• Greedy
• Hungry for more
• All in
• More than just interested
• Acute
• Sharp-witted
• Finely sharpened
• Ready, willing and able
• Dyed-in-the-wool
• Devouring
• Piercing
• Can't wait
• It may be peachy
• Like diehard rooters
• Like diehard fans