What is a foundie horse on howrse.com?

"Foundie" is not a term used on Howrse.com to describe a horse. It's possible you might be thinking of something else, or the term is used within a specific community on Howrse.

To help clarify, could you tell me:

* Where did you encounter this term? Was it in a chat, a forum, or a specific game feature?

* What do you think "foundie" might mean in the context of Howrse?

With more information, I might be able to help you figure out what you're looking for!