Overnight evolution
When you write computer code and forget that you wrote it (or can't tell between what you did & didn't write).
Bill: "Wow, I stayed up late last night coding, now I think I'm experiencing some kind of amnesia for code. Can you have a look?".
Paul: "Sure. The code looks fine to me, plus it runs. You experienced overnight evolution bro."
Paul: "Sure. The code looks fine to me, plus it runs. You experienced overnight evolution bro."