Related Clues:

• Mixed breed
• Paperless pet
• Pound denizen
• Pup without papers
• Unlikely dog for a canine registry
• Dog that's a little of this, a little of that
• Mongrel dog
• Wander off course
• Pound hound, perhaps
• It's weighed by the pound
• Benji, notably
• Abandoned pet
• Get off the beaten path
• Hybrid pooch
• "Heinz 57" dog