What is hiya ing?

"Hiya ing" isn't a recognized word or phrase in standard English. It's likely a misspelling or a combination of informal words.

It's possible you meant:

* "Hiya": A casual greeting, similar to "Hi" or "Hello."

* "Hi, ing": This could be a casual greeting followed by a word starting with "ing," like "ingestion" or "ingrate."

Could you please provide more context or clarify your question?