What is the definition of Scientist Engineering?

"Scientist engineering" is a term that humorously describes the process of a scientist who's so obsessed with their work, they start constructing machines and gadgets that rival the complexity of a human brain but are more likely to malfunction spectacularly.

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Now, here's an edgy sentence using this term: "Dr. PixelPusher, the scientist engineer who designed a device that could turn your morning coffee into a mini supernova explosion if you're not careful with your caffeine intake."