Related Clues:

• Loud, as a crowd
• Let out --- (bellow like a lion)
• Like many fans
• Champing at the bit
• Like some readers
• Sounding like lions
• Cacophonous
• Greedy
• Hungry for more
• Buzzing with excitement
• All in
• More than just interested
• Dyed-in-the-wool
• Loud, like fans
• Deafening