What does lmh mean in slang?

"LMH" is not a commonly used slang term. It's possible that you are thinking of a different acronym or that it's a very niche slang term within a specific community.

To help you understand what it might mean, could you provide some context? For example:

* Where did you see or hear this acronym?

* What was the conversation or situation surrounding it?

* What were the people talking about?

Knowing the context will help me provide a more accurate interpretation of "LMH."