Ever thought you'd see two world leaders having a go at each other over the size of the nuclear buttons on their desk?
Now you have.
North Korea leader Kim Jong-Un recently made news for stating he's got a nuclear button on his desk, threatening it could reach American mainland at all times.
How'd Donald Trump react to that threat? On Twitter.
"North Korean Leader Kim Jong Un just stated that the 'Nuclear Button is on his desk at all times'," he wrote.
"Will someone from his depleted and food starved regime please inform him that I too have a Nuclear Button, but it is a much bigger & more powerful one than his, and my Button works!"
Here's how people reacted to Trump openly joking about nuclear war: