In spite of apopleptic criticism from North Korean state media, Sen. John McCain (R-Ariz.) stood by his characterization of North Korean dictator Kim Jong Un as a “crazy fat kid” in a tweet Wednesday, and in fact, doubled down on his criticism.

McCain called Kim Jong Un a “crazy fat kid” during an interview with MSNBC’s Greta van Susteren earlier this month.

“China is the one, the only one, that can control Kim Jong Un, this crazy fat kid that’s running North Korea,” McCain said on MSNBC’s “For the Record.”

“He’s not rational, Greta,” McCain said.

The Daily Caller reported Wednesday that the state-run Korean Central News Agency took issue with McCain’s remarks about “the supreme leadership of the DPRK,” likening McCain’s comments to “a grave provocation little short of declaration of war.”

The Korean Central News Agency wrote that the United States “will have to bitterly experience the disastrous consequences to be entailed by their reckless tongue-lashing and then any regret for it will come too late.”

“They will have to be entirely responsible for their foolhardy tongue-lashing,” they said.

McCain took notice of the Daily Caller’s report and tweeted, “What, did they want me to call him a crazy skinny kid?”

Twitter users expressed appreciation for McCain’s “sass.”