My god. That explains it all! Here I thought he was struggling to say Kopernik having had a sudden epiphany on the danger of saying the earth circles the sun (which we know is fake news). Actually he was trying to say Kopi Lewak but instead, because of his huge knowledge, said COVFEFE which is what civet cats say when you squeeze their cojones. I have, of course, never done that, but a man once tried to sell me an angry civet cat in Thailand. The whole thing was very covfefe. . .