Incatestable (catfinition) – something that can’t be disputed because the cat has decide that it is so.

In use: “The cats’ need to be present when Michael used the bathroom became incatestable as at least one feline raced into the bathroom ahead of him whenever he went in that direction. Wondering what was driving their obsessive interest, he became a master at misdirection and quiet walking. That worked for a while, but he’d forgotten that cats could read humans’ minds.”