Possible Clues:

• Crescent-shaped
• Shaped like a crescent
• Like the crescent the stupid person swallowed, by the sound of it
• Crescent-shaped, like new moon
• Crescent-shaped inlay regularly set into musical instrument
• The French one among the dead like the Moon
• Does this get one to like the crescent?
• Is such as Mooney a French one among the dead?
• Sounds as if the looney swallowed like this
• From what they say, fool swallowed a bone