Attorney Michael Avenatti on Tuesday dismissed a rumor that he had been duped by a 4Chan user with fake allegations about Supreme Court nominee Brett Kavanaugh.

"There is a rumor being floated that I was 'duped' or 'pranked' by a 4Chan user re Kavanaugh," Avenatti, who has said he has a client with claims to make against Kavanaugh, tweeted Tuesday. "This is completely false. It never happened; it is a total fabrication. None of it is true."

"The right must be very worried," he added. "They should be."

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A 4Chan user posted earlier Tuesday that his girlfriend reached out to Avenatti on a disposable cellphone, telling him that she had attended high school with Kavanaugh and had evidence that he trained other high school boys to gang rape girls at parties.

The 4Chan user said his girlfriend then had Avenatti call a different untraceable cellphone over which they pretended to be another classmate of Kavanaugh's who could confirm the entire story.

At a certain point, the 4Chan user says his girlfriend wanted to stop the charade so they broke the cellphones.

Avenatti's Twitter account went private this morning.

Avenatti, who has become a media regular over his representation of adult-film star Stormy Daniels in her lawsuits against President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE, dismissed the rumor again when asked by CNN's Jake Tapper if there was any truth to it.

"It never happened. None of it. No truth to it," Avenatti said. "This is a fabrication of the right because they are worried and they should be."

Asked @MichaelAvenatti about the rumor his new client is a hoax: “It never happened. None of it. No truth to it. This is a fabrication of the right because they are worried and they should be." — Jake Tapper (@jaketapper) September 25, 2018

Avenatti came forward over the weekend with what he called "credible information" about allegations against Kavanaugh, who has been publicly accused of sexual misconduct by two women.

Avenatti told The Hill on Monday that he expected his client to go public with her allegations against Kavanaugh.

Avenatti told the chief counsel for nominations for the Senate Judiciary Committee on Sunday that he is "aware of significant evidence of multiple house parties in the Washington, D.C., area during the early 1980s, during which Brett Kavanaugh, Mark Judge and others would participate in the targeting of women with alcohol/drugs to allow a ‘train’ of men to subsequently gang rape them."

Avenatti also stated that he had "multiple witnesses that will corroborate the facts," each of whom would testify publicly.

Kavanaugh has denied all the allegations against him.

Last week, Christine Blasey Ford accused Kavanaugh of attempting to sexually assault her at a party in the summer of 1982, when they were both in high school.

Kavanaugh has unequivocally denied her allegation and provided his calendars from 1982 to the Senate Judiciary Committee, which showed no trace of the party.

Ford and Kavanaugh are both set to testify before the committee on Thursday.

And in a report from The New Yorker on Sunday, Deborah Ramirez alleged that Kavanaugh exposed himself to her at a party in college.

The New York Times reported Sunday that it had passed on the story after interviewing "several dozen people" and finding "no one with firsthand knowledge" of the alleged event.

The New Yorker also stated in its piece that it had no eyewitnesses who could confirm that Kavanaugh was at the party in question.

Kavanaugh has also denied Ramirez's allegation, calling it "a smear, plain and simple."