A lot. The duet pair and IRL couple have been spotted locking lips atrestaurantsin the middle ofparties have all released their work on tapes in the past, and recently, it was even announced that a collection of tracks fromHannah Montana Taylor’s seventh album officially earned the biggest week for any album since, well,Reputation, at the United Nations General Assembly that dominated headlines and memes for two main reasons: one, because he said America "will have no choice but to totally destroy North Korea" if forced to defend itself or its allies. And, two, because Trump then proceeded to call the North Korean leader "Rocket Man." In response, Kim Jong-un called Trump something that sent the entire Internet on a mass Google search: "a mentally deranged U.S. dotard."So what exactly is a "dotard"? According toMerriam-Websterwho helpfully tweeted out its own definition, a "dotard