Related Clues:

• Mongrel dog
• Mongrel mutt
• Pound hound, perhaps
• Lowdown sort
• Mean dog
• Benji, notably
• Hybrid pooch
• Contemptible sort
• Mangy dog
• "Heinz 57" dog
• Pound pick
• Half-and-half, maybe
• Disney's Tramp, for one
• Purebred's opposite
• Unlikely dog for a registry