What is the definition of Deeply Fumes?

"A 'deeply fumes' scenario is like stepping into a claustrophobic, toxic time capsule where the only thing more stifling than the stench is your own existential dread. Picture this: 'The deep-sea diver, gasping for air, found himself in a room filled with the pungent aroma of a forgotten deep-sea vent, so potent it could've made his existential crisis worse.'"