Miserable and/or to be miserable or to live in misery.
Man: Woman, stop being mizzy.
Woman: Can't help it. This is a mizzy place.
A mizzy is a black man who records himself tormenting white or asian people in public.
This Mizzy threatened to set my car on fire and when I said I was going to call the cops, he said it was just a prank for TikTok.