Possible Clues:

• Bossy’s mouthful
• Bossy's mouthful
• Cow's mouthful
• Copper lead ultimately is something to chew on
• Return of tailless bird provides something to chew over
• Something chewed by a cow
• What can be a lot to stomach?
• Meadow mouthful
• Could only odd characters chew this?
• What rumination involves