Sen. Rick Scott (R-Fla.) and Rep. Alexandria Ocasio-Cortez Alexandria Ocasio-CortezWells Fargo CEO issues apology after saying there was a 'limited pool of Black talent' Brand responds to Trump claim protesters throw tuna cans at police: 'Eat em, don't throw em' CNN's Don Lemon: 'Blow up the entire system' remark taken out of context MORE (D-N.Y.) got into a heated online exchange on Monday after Scott took a jab at the Green New Deal and Ocasio-Cortez shot back that it was embarrassing that a sitting U.S. senator could say something "lacking so much critical thinking."

Scott later claimed that Ocasio-Cortez didn't understand sarcasm and that she embarrassed both herself and Congress as a whole.

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The exchange on Twitter started with Scott voicing criticism of Sen. Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE's (D-N.J.) sweeping gun control proposal that includes license requirements for all gun owners. Scott denounced it as a "terrible idea," adding that it would be "scary" if the 2020 Democratic presidential candidate assumed power in the White House.

"What's next? Will we have to register sharp knives?" Scott asked on Twitter. "Maybe [Ocasio-Cortez] will make us register every time we buy meat as part of her #GreenNewDeal."

BREAKING: the latest terrible idea to come out of the Democrats' 2020 primary is a federal gun registry. If you want to buy a gun, @CoryBooker wants you to register with the federal government.



This would be scary if Booker had any chance of becoming President. (1/2) https://t.co/uJRLXo054E — Rick Scott (@ScottforFlorida) May 6, 2019

What's next? Will we have to register sharp knives? Maybe @AOC will make us register every time we buy meat as part of her #GreenNewDeal.



The Democrats are officially the @BernieSanders Party. They want America to be less prosperous and less free. (2/2) — Rick Scott (@ScottforFlorida) May 6, 2019

Ocasio-Cortez accused Scott's statement of lacking "honesty."

"If you were a female candidate, maybe you’d be called 'unlikeable,' 'crazy,' or 'uninformed,'" Ocasio-Cortez tweeted. "But since you’re not, this inadequacy is accepted as normal."

That a sitting US Senator can say something lacking so much critical thinking + honesty is embarrassing to the institution.



If you were a female candidate, maybe you’d be called “unlikeable,” “crazy,” or “uninformed.”



But since you’re not, this inadequacy is accepted as normal. https://t.co/KLkaYxfT6K — Alexandria Ocasio-Cortez (@AOC) May 6, 2019

Scott responded by claiming that he was being sarcastic about the Green New Deal, a progressive proposal that calls for radical reforms to combat climate change.

"That a sitting Congresswoman doesn’t understand sarcasm would be embarrassing to the institution if you hadn’t embarrassed yours to the point of irrelevance already," Scott said. "America rejects socialism and will continue to."

That a sitting Congresswoman doesn’t understand sarcasm would be embarrassing to the institution if you hadn’t embarrassed yours to the point of irrelevance already.



America rejects socialism and will continue to. https://t.co/bicJ8PEfD5 — Rick Scott (@ScottforFlorida) May 6, 2019

The tense back-and-forth between Scott and Ocasio-Cortez comes months after the freshman Democrat introduced the Green New Deal with Sen. Ed Markey Edward (Ed) John MarkeyDemocrats shoot down talk of expanding Supreme Court Schumer: 'Nothing is off the table' if GOP moves forward with Ginsburg replacement Democrats see fundraising spike following Ginsburg death MORE (D-Mass.).

Progressives have praised the legislation, which aims to make numerous reforms to reach net-zero greenhouse gas emissions. But Republicans have widely condemned it, pointing to its high costs.