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It was a busy week for Donald Trump, who delivered his first address to the U.N. General Assembly and met with numerous world leaders who attended the meeting in New York City. The president, of course, still found time to indulge in one of his favorite pastimes: attacking people.

From coming up with a nickname for Kim Jong Un (“Rocket Man”) to retweeting an image of himself hitting Hillary Clinton with golf ball, Trump lobbed a wealth of provocations at his enemies. He even threatened to “totally destroy” North Korea while he was addressing the U.N.

Here’s a rundown of the president’s insult-laden week:

Calling out the “loser terrorists”

Trump used news of a terrorist attack in London — when a crude device exploded on a train and injured 23 people — to call for tougher action against “loser terrorists.” He also appeared to break news in a tweet: that these “sick and demented people” were “in the sights of Scotland Yard.” UK Prime Minister Theresa May later said it was not “helpful” for Trump to speculate about an ongoing investigation.

Trump also went after ESPN. In a tweet, he said the network is “paying a really big price for its politics,” apparently referring to ESPN anchor Jemele Hill, who recently called Trump a white supremacist. In response to a reporter at a daily press briefing earlier in the week, Sarah Huckabee Sanders had called for Hill’s firing.

Burning out his fuse

Trump spoke by phone with South Korea’s president about North Korean leader Kim Jong Un, whom the president has now dubbed “Rocket Man.”

“Asked him how Rocket Man is doing,” Trump tweeted the following day about the conversation. “Long gas lines forming in North Korea. Too bad!”

A day of memes

Trump retweeted a few positive memes of himself, including one of him pulling manufacturing plants back from overseas and another of a locomotive wearing a “Make America Great Again” hat. He then retweeted a GIF of him hitting a golf ball that strikes Hillary Clinton.

Trump threatens to destroy North Korea

President Trump delivered his first speech before the U.N. General Assembly — a 41-minute barn-burner that sounded like a collection of some of his angriest tweets. In his speech, Trump:

threatened to “totally destroy” North Korea

called the Iran nuclear deal an “embarrassment to the United States”

urged world leaders to put their own countries first

bragged that the U.S. military will soon be the “strongest it has ever been”

said it’s too expensive to resettle refugees (a claim contradicted by a suppressed study from his own administration provided to VICE News)

complained about the U.S. paying “far more than anybody realizes” in aid to the U.N.

White House Chief of Staff John Kelly looked pretty upset while listening to the speech (as he often does when his boss is speaking).

Trying to repeal and replace — again

Trump endorsed a new healthcare bill from two Republican Senators, South Carolina’s Lindsey Graham and Louisiana’s Bill Cassidy. It’s the GOP’s latest effort to repeal and replace Obamacare, which the president urged Republicans to support in a few tweets. One singled out Sen. Rand Paul, who ran against Trump in the Republican primary for being “such a negative force” when it comes to “fixing healthcare.”

“I would not sign Graham-Cassidy if it did not include coverage of pre-existing conditions. It does!” Trump later tweeted. “A great Bill. Repeal & Replace.”

Trump either doesn’t understand the Graham-Cassidy bill or he’s deliberately misleading his Twitter followers. One of the big provisions of the bill, which was unveiled last week, loosens Obamacare protections on pre-existing conditions. Graham-Cassidy would also repeal Obamacare’s individual and employer mandates, which penalize Americans who don’t have health insurance and large employers who don’t have to provide coverage to employees. Medicaid expansion would take a big hit too.

A “dotard” and a “rocket man” walk into a bar

Kim Jong Un responded to Trump’s threats to “totally destroy North Korea” by calling the U.S. president a “frightened dog” and a “dotard” (a medieval term for a senile, old person).

“I will surely and definitely tame the mentally deranged U.S. dotard with fire,” Kim said.

Trump responded the next day to Kim Jong Un’s arcane insult with some standard name-calling. “Kim Jong Un of North Korea, who is obviously a madman who doesn’t mind starving or killing his people, will be tested like never before!” the president tweeted on Friday.