President 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 on Sunday took a shot at conservative commentator Ann Coulter, a longtime supporter of his, after she criticized him for agreeing to reopen the government without a deal on his long-promised border wall.

“I hear she’s become very hostile,” Trump said in a new interview with The Wall Street Journal. “Maybe I didn’t return her phone call or something.”

His jab comes shortly after Coulter blasted Trump repeatedly for not securing funding for a wall along the southern U.S. border, his signature campaign promise.

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Coulter took to Twitter on Friday, the day lawmakers and the White House reached an agreement to end a 35-day-long partial shutdown, to blast Trump as "the biggest wimp ever to serve as President of the United States."

Good news for George Herbert Walker Bush: As of today, he is no longer the biggest wimp ever to serve as President of the United States. — Ann Coulter (@AnnCoulter) January 25, 2019

Later, the conservative provocateur made an appearance on comedian Bill Maher's show, where she continued to criticize the president for backing down on his demands for a border wall in order to reopen the government for three weeks.

“Look, it’s crazy that I expect a president to keep a promise he made every day for 18 months," Coulter quipped to Maher.

She also appeared on Los Angeles radio station KNX, where said there was "no question" that House Majority Leader Nancy Pelosi Nancy PelosiPelosi: Ginsburg successor must uphold commitment to 'equality, opportunity and justice for all' Bipartisan praise pours in after Ginsburg's death Pelosi orders Capitol flags at half-staff to honor Ginsburg MORE (D-Calif.) outmaneuvered Trump on the border negotiations.

Coulter has been one of the media's most vocal supporters of Trump's proposed border wall, and has warned the president repeatedly that he could lose in 2020 if he fails to follow through on his promise.

Trump, for his part, apparently unfollowed Coulter on Twitter in December shortly after she said she wouldn't support his reelection without a deal on a wall.