What are humma nuca apua ah?

"Humma nuca apua ah" is not a recognizable phrase or sentence in any language. It might be a misspelled or incomplete phrase, or a made-up expression.

Could you please provide more context or clarify what you mean? For example:

* Where did you hear or see this phrase?

* What language do you think it might be in?

* What were you trying to communicate?

With more information, I can help you better!