Conservative commentator Ann Coulter lambasted former Speaker Newt Gingrich (R-Ga.) on Monday after he dismissed her criticisms of President TrumpDonald John TrumpTrump opens new line of impeachment attack for Democrats Bloomberg to spend 0M on anti-Trump ads in battleground states New witness claims first-hand account of Trump's push for Ukraine probes MORE's decision to end a partial government shutdown without funding for a border wall.

Coulter, who has criticized the president for failing to deliver on a signature campaign promise and construct a wall along the southern border, fired off nearly a dozen tweets on Monday morning following Gingrich's appearance on "Fox & Friends." 

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"Newt seems to believe that you have to run for office to comment on public affairs," she tweeted. "The constitution doesn’t just give free speech to disgraced politicians. It also affords speech rights to another category called 'citizens.' "

Coulter's other barbs toward Gingrich were more personal.

"Poor Newt. At least Rudy got a job," she tweeted, a reference to Trump's personal lawyer, Rudy Giuliani.

"Newt’s right -- I’m just selling books," she wrote in another tweet. "But at least I don’t have to kiss Trump’s ass to do so."

During an interview on "Fox & Friends," Gingrich said Trump should not worry about appeasing staunch conservatives in the media like Coulter when negotiating a deal on immigration.

"Ann Coulter’s never run for office," he said. "She doesn't know anything about how you put a majority together. She’s off here in some fantasy land where she gets to be noisy, which helps her sell books."

Coulter, who supported Trump in 2016 but has since chided him over the border wall, derided Trump on Friday as the "biggest wimp ever to serve as president" after he announced he would reopen the government for three weeks and end a 35-day standoff over border security funding.

Trump took a swipe at Coulter in an interview with The Wall Street Journal published Sunday.

“I hear she’s become very hostile,” Trump said. “Maybe I didn’t return her phone call or something.”