Big Hot Mess is a slang term used offensively to describe someone who is chaotic, unorganized, and lacking in self-control, often in a way that's seen as embarrassing or irresponsible. It implies that the person is constantly making mistakes, losing things, or acting in a manner that causes trouble.

Example:
"Did you see how she messed up the entire project? She's such a Big Hot Mess—always forgetting deadlines and blowing things out of proportion."

Want more examples?