Short Dog Edit Meaning

1.

In the ghetto, someone might refer to a cheap drink as a short dog, most likely a two dollar silo of beer or something similar.

Yo! Pick me up a short dog when you go down to the store.

2.

Can be referred to as a body style of a cadillac, usually the late 80's early 90's Cadillac

We were riding in the short dog caddy