What is the definition of Relay Fumes?

"Relay fumes" is like when your lungs are acting as a supercharged, high-speed courier service for your body's emissions, but instead of delivering packages, they're spewing out a cloud of questionable air quality. It's the ultimate, stealthy form of pollution that sneaks up on you while you're too busy scrolling through your phone.

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Here's an edgy example sentence: "The new 'Relay Fumes' coffee machine was a hit until it started emitting such potent, cloud-like emissions that I had to wear a respirator while sipping my morning brew."