Well all know someone who is zero craic, so Dave's World today taught us the technical term for these people - 'cherophobes'.
He also revealed how "jars of farts" were actually used to try and ward off the bubonic plague centuries ago.
We don't know where he gets his info, but he's a very learned individual!
Catch the fun in full by pressing the play button in the image at the top of the page.