Related Clues:

• Backup cause
• Stuff up
• Choke up
• Wood-soled footwear
• Keep from draining
• Sink problem
• Carved shoe
• Job for a drain cleaner
• Backup cause, often
• Get stopped up
• Plumbing stop-up
• Roto-Rooter target
• Overflow cause
• Clog's cousin
• Shoe for a certain dance