Sen. Elizabeth WarrenElizabeth Ann Warren2020 Dems break political taboos by endorsing litmus tests Biden says Congress must move to protect abortion rights Harris seeks Iowa edge with army of volunteers MORE (D-Mass.) on Wednesday ripped President TrumpDonald John TrumpTrump rips Dems' demands, impeachment talk: 'Witch Hunt continues!' Nevada Senate passes bill that would give Electoral College votes to winner of national popular vote The Hill's Morning Report - Pelosi remains firm despite new impeachment push MORE for leading the “most corrupt administration ever.”

Warren went after the Trump administration during an interview with CNN after controversial statements from White House budget chief Mick MulvaneyJohn (Mick) Michael MulvaneyThe Hill's Morning Report - Pelosi remains firm despite new impeachment push Congress, White House near deal on spending, debt limit On The Money: Congress, White House aim to include debt limit increase in spending deal | McConnell optimistic budget deal near | Carson defends HUD eviction plan | Senate votes to undo tax hike on Gold Star families MORE.

"He's so corrupt that he was willing to just lay it all out there in front of everyone," Warren said. “He said, 'I am a government official who pays attention to those who pay me.' If that's not corruption, I don't know what the definition of corruption is."

ADVERTISEMENT

Mulvaney, who is also the interim director of the Consumer Financial Protection Bureau, suggested Tuesday  that he gave preferential treatment to lobbyists who had donated to his campaign.

“If you were a lobbyist who never gave us money, I didn't talk to you. If you were a lobbyist who gave us money, I might talk to you,” Mulvaney said at a banker conference in Washington.

“If you came from back home and sat in my lobby, I would talk to you without exception, regardless of the financial contributions.”

Mulvaney is a former GOP congressman from South Carolina.

Warren ripped the suggestion as "pay-to-play."

"That's just another way of saying, 'this joint runs great for those who can hire armies of lobbyists and lawyers and have them make big campaign contributions, but not here for real people,’” Warren said Wednesday.

Warren, who serves on the Senate Banking Committee, has confronted Mulvaney before.

Earlier this month, she told him he was “hurting real people to score cheap political points.”