Here's a joke Theresa May doesn't find funny: "An ITV reporter and a chief Brexit negotiator walk into a bar - what happened next?"
Spoiler alert - it didn't end well.
Theresa May has found herself in hot water after one of her top staffers was reportedly overheard saying the choice is either to back May's deal, or extend talks with the EU.
Now that's something the Prime Minister has previously strongly denied would happen.
Newshub Europe Correspondent Lloyd Burr spoke to The AM Show.
Watch the video.