Jimmy Kimmel tore into House Intelligence Committee Chairman Devin NunesDevin Gerald NunesTrump to attend California fundraiser with Oracle chairman House Republicans boycott public Intelligence panel hearing Sunday shows preview: Top tier 2020 Democrats make their case before New Hampshire primary MORE (R-Calif.) for his classified memo that alleges the Justice Department and FBI abused a surveillance program in monitoring a former Trump campaign aide.

"To call Devin Nunes Donald Trump's lapdog would be an insult to dogs and laps," Kimmel said. “He’s more of a retriever — ‘here boy, go write me a memo to smear the FBI, good boy.’”

The late-night host likened Nunes’s memo to President TrumpDonald John TrumpTrump administration eyes proposal to block jet engine sales to China: report Trump takes track to open Daytona 500 Brazile 'extremely dismayed' by Bloomberg record MORE’s attacks on the media, saying the document is an attempt to discredit the FBI the way Trump calls the press “fake news” over reports about his administration.

"This is what happens when the only rule in your house is 'You don't like the butler? Well, we'll fire the butler,'" Kimmel said.

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Kimmel also pointed out that Trump has been attacking lifelong Republicans like special counsel Robert MuellerRobert (Bob) Swan MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE and former FBI Director James ComeyJames Brien ComeyDOJ attorney looking into whether CIA withheld info during start of Russia probe: NYT Graham requests interviews with DOJ, FBI officials as part of probe into Russia investigation Raising the Barr isn't always the best way to combat corruption MORE, claiming that they are out to get Trump.

He also noted a report that current FBI Director Christopher Wray, whom Trump nominated, may quit if the memo is released, but that Trump is determined to make the document public.

Kimmel then compared Trump’s willingness to go after and try to discredit those who are investigating him to the defense in the O.J. Simpson case.

"This is basically the same defense O.J. used, OK? And it worked. O.J. lives in Vegas now and plays a lot of golf,” Kimmel said.

The House Intelligence Committee is expected to release the memo in the coming days.