During a radio talk show on Thursday, Nigel Farage, Britain's most outspoken cheerleader for President-elect Donald Trump, claimed credit as the "catalyst" for the Republican nominee's electoral success and cracked a joke about Trump molesting conservative British Prime Minister Theresa May.

"I'm now going to become a diplomat. Come and schmooze Theresa -- don't touch her, for goodness sake," Farage said on TalkRadio, a popular program, offering a bit of the proverbial British banter.

"If he does, only in affectionate way," quipped one of the show's hosts.

To which Farage responded, "I could be there as the responsible adult to make sure everything is OK."

Sources from Downing Street have told the media that the prime minister and the president-elect have spoken and plan to meet before his inauguration. May, who came to power in the wake of Britain's tumultuous vote to quit the European Union, is now navigating the country's "Brexit" - a cause Farage and his far-right United Kingdom Independence Party have championed for years.

Trump likened his campaign to the pro-Brexit movement, which was based on similar rhetoric of ultranationalism, anti-immigrant sentiment and resentment toward a "globalist" elite. In the months that followed, Farage traveled to the United States and joined Trump on the campaign trail. This week, ahead of Election Day, the Republican nominee declared his campaign as "Brexit plus plus plus plus plus." His prediction appears to have been right.

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"All these dreadful people who work hand in glove with Goldman Sachs and everybody else, have made themselves rich, and ruined our countries," Farage said in the interview. "I couldn't be happier." He added that he saw himself as the "catalyst" of the "downfall" of "the Clintonites, the Bushites," referring to two sidelined American political dynasties.

Farage also referred to President Obama as a "creature" and a "loathsome individual," echoing earlier British right-wing disdain for the American president, who had warned British voters of the perils of turning their backs on the integrated European project.

Former London mayor Boris Johnson, who had earlier been at the head of the pack of pro-Brexit leaders, said before the June referendum that Obama's opposition to Brexit was due to the "part-Kenyan" president's "ancestral dislike" of a former colonial ruler. Critics rounded on Johnson accusing him of racism.

However, Johnson, now the foreign minister, has had to make an embarrassing about-face regarding Trump, whom he had earlier said was "unfit" to be president because of anti-Muslim rhetoric that's "playing the game of the terrorists and those who seek to divide us."

On Wednesday, Johnson tweeted: "Congratulations to Donald Trump and much looking forward to working with his administration on global stability and prosperity."