What does dog mean?

In the world of football and other sports, you can often come across this term. What are dog in betting mean? In fact, this is a team or an athlete who has very little chance of winning and is considered an obvious outsider. The term means that there is a considerable difference in class between clubs or athletes.

It’s easier to understand what is dog with a particular example. If England and San Marino have a soccer match, the latter can clearly be called by this slang expression. Now it is used not only in the world of football but also in gambling in general to emphasize the difference between the rivals.