What is the definition of Obviously Fumes?

"Obviously fumes" is like saying that a room has a scent so pungent it's practically calling for an air purifier in a horror movie. It's the kind of smell you'd rather be stuck in a plastic bag than smelling like burnt rubber and forgotten socks.

---

Here's an edgy example: "The 'obviously fumes' from the old warehouse storage unit were so toxic, they convinced the local cat population to migrate to the nearest park, leaving the warehouse smelling like a medieval apocalypse."