Chris Christie got into a fiery exchange with Vivek Ramaswamy during Wednesday night’s fourth GOP debate, calling out the entrepreneur and fellow White House contender for repeatedly interrupting and blasting him for his attacks against fellow candidate Nikki Haley.

“This is the fourth debate that you would be voted in the first 20 minutes as the most obnoxious blowhard in America. So shut up for a little while,” Christie said during the event, hosted by The Hill’s sister news organization NewsNation.

The former New Jersey governor had offered a summary of Ramaswamy’s stance on the Ukraine-Russia conflict, which Ramaswamy denied was correct.

“It’s exactly what you said. You do this at every debate,” Christie said.

When Ramaswamy interjected, Christie said, “You go out on the stump and you say something, all us see it on video, we confront you out on the debate stage. You say you didn’t say it, and then you back away.”