Possible Clues:

• Short name for a small dog
• Flat-faced canine, familiarly
• Short dog breed, in more than one sense
• Small dog, briefly
• Short-legged dog, briefly
• Long-haired lap dog, for short
• Here's a dog — keep out!
• In short, it's a small short-legged dog
• Chinese lap dog, informally
• Small canine (abbr.)