Haids - The liquid you get when you sit on a chair that someone else

The liquid you get when you sit on a chair that someone else sat on before you. It's gross but also kind of funny.

He said 'Haids' after I sat on his chair and it was covered in gross stuff.

That Haids was so bad I couldn’t even sit down.

She said 'Haids' after she sat on the chair and it was like a meat market.