Rep. Rashida Tlaib said on Thursday that the Democrats were "going to impeach the motherf---er," referring to President Donald Trump.

Tlaib made the comments at a party hosted by the political group MoveOn hours after being sworn in as the representative for Michigan's 13th District.

Tlaib was repeating an exchange she had with her son, who she said had told her that "bullies don't win."

Tlaib, an outspoken critic of Trump, was forcibly removed from a Trump campaign event in August 2016 for heckling.

Rep. Rashida Tlaib, the first Muslim congresswoman, said Democrats were "going to impeach the motherf---er" in a strident anti-Trump speech on the evening she was sworn in.

A clip of Tlaib's speech, which she made at a party for the political group MoveOn on Thursday night in Washington, DC, was shared on Twitter by Nestor Ruiz from the immigrant-advocacy organization United We Dream.

In the video, Tlaib can be heard saying: "People love you, and you win. And when your son looks at you and says, 'Momma, look, you won. Bullies don't win.' And I said, 'Baby, they don't.' Because we're going to go in there and we're going to impeach the motherf---er."

Tlaib was sworn into the 116th Congress as the representative for Michigan's 13th District a few hours earlier.

During her campaign, Tlaib explicitly said she wanted to pursue impeachment.

She told The Hill in April, "I keep telling people this is about electing a jury that will impeach him, and I make a heck of a juror."

Tlaib in front of the Michigan Capitol in Lansing in November 2008. Al Goldis/AP

President Donald Trump is facing calls for impeachment over allegations of obstruction of justice related to his firing of James Comey as FBI director in 2017 amid the investigation into Russia's meddling in the 2016 US election.

After the swearing-in ceremony on Thursday, Tlaib, who is also the first Palestinian-American woman in Congress, tweeted: "This really happened. I am U.S. Congresswoman. Not bad for a girl from southwest Detroit who didn't speak English, daughter of Palestinian immigrants."

Tlaib in April. REUTERS

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The Washington Post reporter Dave Weigel described Tlaib's reception at the MoveOn event as "raucous."

Tlaib, an outspoken critic of Trump, was forcibly removed from a Trump campaign event in August 2016 for heckling. She was dragged away to a mixture of boos and applause.

"He doesn't love Detroit," she later told the Detroit Free Press. "He doesn't love no one who isn't Donald Trump."