Related Clues:

• Bite like a beaver
• Chew on celery, e.g.
• Vex
• Nibble away
• Get down
• Tuck away
• Fray
• Prey on one's mind
• Finish the course?
• Raid the fridge
• Pack it in, so to speak
• 'I haven't a thing to ___!'
• Sandwich-board words
• Put on the feed bag
• Erosion