What is iyang in mandarin?

"Iyang" is not a standard Mandarin word. It's possible that you're referring to a word from a different dialect or a specific context. Could you please provide more information?

For example:

* Where did you hear this word? (e.g., a specific region, a movie, a song)

* What was the context? (e.g., what were people talking about?)

* What is the meaning you think it might have?

Knowing this information will help me figure out what you're looking for and give you a more accurate answer.