What is the definition of Improvements Fumes?

Ah, the infamous 'improvements fumes'! Picture this: You're at your best, your mind is like a finely-tuned orchestra, and you're about to hit the next crescendo. Then, just like when someone starts playing too loudly in the shower, you start smelling like a chef's latest experiment gone wrong. These are the 'improvements fumes' - the byproducts of trying too hard to make things better, but sometimes, it just doesn't quite work out.

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Now, here's a sentence that might make you cringe a little bit: "After months of tirelessly improving the quality of our coffee, we finally released a batch that smelled so much like burnt rubber and unwashed socks it could have been mistaken for a new line of public transportation." Talk about an improvement that's more of a 'cheesy' upgrade!