However, the word "bustle" can be used in a more general sense, meaning to be busy or active. It could be used in a phrase like "The ranch was bustling with activity" or "The cowboys bustled about getting ready for the cattle drive."
It's possible that you might have encountered "bustle" in a specific context that gave it a unique meaning. If you can provide more information about the context in which you heard the term, I might be able to help you understand it better.