Liberal HBO host Bill Maher William (Bill) MaherBill Maher to Joy Reid: 'Very nervous' about Biden's chances after GOP convention Bill Maher revives QAnon gag: 'I am Q' Oliver Stone, Bill Maher tangle on reliability of US intelligence on Russia: 'You think they're lying?' MORE on Friday night knocked President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE and Republicans, saying the GOP was “right” to say Democrats “never got over” the president’s behavior.

“Republicans love to throw out the term ‘Trump Derangement Syndrome’ to deflect any criticism from the dear leader,” said Maher, a frequent Trump critic, on his late-night show. “But have you watched this man over the last four years?

“When Republicans say Democrats never got over Trump’s behavior, you’re right! We haven’t gotten over it because no one should,” he said.

Maher knocked Trump for his glowing reviews of leaders such as North Korea's Kim Jong Un Kim Jong UnNorth Korean leader Kim apologizes over killing of South Korean official Pelosi knocks Trump over refusal to commit to peaceful transfer of power Satellite images indicate North Korea preparing for massive military parade MORE and Russian President Vladimir Putin Vladimir Vladimirovich PutinWatchdog confirms State Dept. canceled award for journalist who criticized Trump Former intelligence agency director Robert Cardillo speaks out against 'erratic' Trump Kremlin: Putin calls for reset between US and Russia on cyber relations before elections MORE, adding that the so-called “Trump Derangement Syndrome” is really “pretending that all of this is perfectly acceptable behavior for an American president.”

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“This is what ‘Trump Derangement Syndrome’ is,” Maher said, prompting applause from the audience. “It’s like body odor. If you smell it all the time, it’s probably you.”

He joked, “And you came to the conclusion that’s how a president behaves. And I’m the one who’s deranged.”

Maher added that if former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE is elected to the White House and somehow “rapidly declines and legit loses his mind,” then he will act like he says Republicans are now with Trump — by pretending there’s “nothing to see here.”