I'm just going to drop this here, without any context at all.
Me: "No. Even if you managed to swallow some sort of mutant, acid-proof goldfish, stomach acid isn't sufficiently oxygenated. So the idea that you might burp and have this frankenfish come leaping back out... it isn't going to happen."
Co-worker 1: "Except in my nightmares... tonight."
Co-worker 2: "This is going to end up in a book, isn't it?"
Me: "I admit nothing."