What is the definition of Importantly Fumes?

"Importantly fumes" is a peculiar blend of "importance" and "fumes," the latter being those noxious vapors that come from, say, a leaky gas tank or a smoggy city. It's like saying something is incredibly crucial, but in a way that smells like a bad day at the office.

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Now, here's an edgy sentence for you: "In the heart of the industrial zone, the engineers couldn't even breathe properly, so they decided to importantly fume the entire factory floor with their latest prototype." Talk about a toxicly brilliant idea... or at least, a very toxic one.