Related Clues:

• Unlikely dog for a registry
• It's far from purebred
• Junkyard defender
• Junkyard guard
• Contemptible canine
• Dastard
• Hardly a purebred
• Hardly a show dog
• Cowardly sort
• Four-footed lowlife
• Hostile mutt
• Inferior dog
• Alley wanderer
• Dog show reject
• It can be found in a pound