It's possible there are a few reasons why you encountered this:
* Typo: It could be a misspelling of a real word or phrase. Could it be "herb garden", "herbivore", or something similar?
* Foreign Language: It might be a phrase from another language.
* Made-up phrase: It could be a nickname, a character's name, or a made-up phrase for a specific context.
Could you please provide more context about where you encountered this phrase? This will help me understand what it could mean.