What is the definition of Trusted Fumes?

"Trusted fumes" is like a fancy term for the noxious, invisible, and utterly unappetizing byproducts of certain industrial processes or chemical reactions. Imagine a lab coat-clad scientist, eyes gleaming with confidence, breathing in a cloud of these 'trusted fumes' and saying, "Ah, there we go, another day in the lab – just another trustworthy little puff of smoke that proves my expertise!"

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But let's pivot to a more unsettling example: "The city's new 'trusted fumes' campaign whispered that the new eco-friendly cleaner was 'afe for use around trusted fume-sensitive pets,' only to reveal the real secret: it was laced with enough irritant to make a can of hairspray look like a tiny, invisible, toxic cloud."