The man who ran a super-PAC backing Jeb Bush’s unsuccessful White House run says electing Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE as president would be "like putting a chimp in the driver’s seat of a tractor.”

“He doesn’t understand the presidency,” Mike Murphy said in a Weekly Standard interview published Monday.

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“You don’t call up the head of Mexico and say, ‘Hey, I’m going to build a fabulous wall with first-class gold toilets and you’re gonna pay for it,’” continued Murphy, who ran Right to Rise PAC. "You don’t call up the head of Ford Motor Company and say, ‘You can only manufacture things in the U.S. or I’m going to unilaterally impose tariffs.'

“He has no understanding of presidential powers. He has no understanding of Congress. It’s like putting a chimp in the driver’s seat of a tractor. He’s not going to plow the field. He’s going to drive the tractor into the lake.”

Murphy also slammed voters supporting Trump, arguing that they are making a grave mistake by backing the real estate tycoon.

“The stakes are high,” he said. "And having problems is not a license to vote stupid. People need the tractor to plow the damn field now.

“We turn into Paraguay [if Trump is elected president],” Murphy added. "Which is probably an insult to Paraguay.

“All the crap you see in foreign countries where the parliament members are suing each other and everything turns into a big legitimacy fight … we lose everything. The brand will be destroyed.”

Murphy added that a Trump administration would be catastrophic to America’s economy.

“We get away with a lot of shit because people think we have a stable system,” he said. "But if your banker comes in one day wearing a diaper, speaking gibberish, you’re going to pull all your money out of that checking account.

“And if we start making reality-show clowns in charge? Run on the American bank. You think that pissed-off steel worker in Akron has trouble now? Wait until we have a financial collapse and they take 25 percent off the dollar. He’ll be serving hot dogs in an American restaurant in China.”

Murphy announced last week that he is leaving political consulting after Bush gave up on his quest for the Oval Office.

Bush, Florida’s former GOP governor, suspended his campaign last month after poor showings in several early voting contests.