What is Hellay?

To be thoroughly high as fuck off of your drug of choice. Hella high bruh.

Me: aye you wanna hit this bruh?
You: hell naw I'm fucking hellai

Hellay - meme gif

L.A., as in Los Angeles written out rather than abbreviated, in order to give a more complete understanding of the situation.

Hellay isn't just a place. It's a situation!