Definitions by Juris Doctor

Puppin 

–noun, plural -s
1.a young dog, especially one less than a year old.

2. A puppy (alternate form of the word)

1. OMG look at all the adorable puppins!
2. A young cat is a kitty or kitten thus a young dog is a puppy or puppin

Puppin by Juris Doctor June 30, 2011