What is the translation of Hwyl year wyl?

"Hwyl year wyl" is not a phrase in any known language. It's possible it's a misspelling or a made-up phrase.

Could you please provide more context or information? For example:

* Where did you encounter this phrase?

* What language do you think it might be from?

* What is the intended meaning?

With more information, I can help you find the correct translation.