What is the definition of Lived Engineering?

"Lived engineering" is a term that humorously describes the practice of building and maintaining the physical infrastructure of our daily lives, like roads, bridges, and even the plumbing in our homes, without a full-blown engineering degree. It's like saying, 'I built my house with duct tape and recycled CDs, but still it stands tall.'

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Here's an unsettling example sentence using this term: "After years of 'lived engineering,' the ancient Roman aqueducts now stand as a testament to our species' questionable architectural wisdom, with water trickling from the taps only to vanish down the drain without a second glance."