What is the definition of Exclusively Fumes?

"Exclusively fumes" is like a bad day's worth of exhaust from a thousand smoke-filled tires, but instead of just being a grimey nuisance, it's the kind of smell that makes you question if your favorite coffee shop has a new, uninvited guest.

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Here's an unsettling example sentence: "The exclusive fumes of the abandoned amusement park still waft through the alley, promising a midnight haunting that only the lost souls of your favorite roller coasters can experience."