Possible Clues:

• Yappy dog, briefly
• A glimpse, we're told, of something small and hairy
• A gander, we're told, with four legs
• Small Chinese dog
• Small breed of dog
• Abbreviation for a Chinese breed of short-legged dog
• Said to be the top dog
• Small snub-nosed dog
• Nickname for a toy
• Snub-nosed lap dog