Late-night host Stephen Colbert on Tuesday mocked President TrumpDonald John TrumpGOP congressman slams Trump over report that U.S. bombed former anti-ISIS coalition headquarters US to restore 'targeted assistance' to Central American countries after migration deal Trump says lawmakers should censure Schiff MORE over a video clip showing him apparently saying the word "oranges" instead of "origins."

Speaking to reporters in the Oval Office earlier Tuesday, the president said he thought the media should look into the "oranges" of special counsel Robert MuellerRobert (Bob) Swan MuellerFox News legal analyst says Trump call with Ukraine leader could be 'more serious' than what Mueller 'dragged up' Lewandowski says Mueller report was 'very clear' in proving 'there was no obstruction,' despite having 'never' read it Fox's Cavuto roasts Trump over criticism of network MORE’s investigation, which Colbert referred to as a "slip of the brain."

"Yes, sir. We must take a look at the oranges of the investigation," Colbert said before launching into a series of citrus-inspired puns.

"I say it is high clementine we do so," he said to applause. "The American people will not stangerine for it any longer. We can vitamin C right through the lies. We Tropi-can handle the juice.”

The "Late Show" host then told the audience his version of a well-known knock-knock joke, with the punchline "Orange you ashamed we have a president who can’t pronounce origins?"

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Trump said last week that he was comfortable with the full Mueller report being released after Attorney General William BarrWilliam Pelham BarrMatthew Shepard's parents blast Barr's LGBTQ record in anniversary of hate crime law Trump denies knowledge of Barr meeting in Italy, says it would be appropriate Mulvaney helped organize controversial Ukraine meeting MORE's summary said it found no evidence of collusion between the Trump campaign and Russia.

But on Tuesday, the president again lamented the two-year investigation and called lawmaker efforts to seek the entire document a "waste of time."

"I think it’s a disgrace," he said. "These are just Democrats that want to try and demean this country, and it shouldn’t be allowed."

The House Judiciary Committee is set to vote Wednesday to authorize a subpoena for the entire document and its underlying evidence.