Granted, we don't want that remark to sound too disparaging towards De Niro because we all know that he's an acting icon.
President Trump defended himself against De Niro's attack by praising the economy under his watch.
He said he would move to Italy if Mr Trump was elected, and the town where his great-grandparents lived offered him "refuge" when this happened.
"It's no longer 'down with Trump, ' it's 'f-k Trump, ' " the 74-year-old performer - who won an Academy Award for playing a boxer in 1980's "Raging Bull" - said. "He repeated 'F*** Trump" a second time and received a standing ovation from the crowd at the awards show for excellence in Broadway theater, held in NY. He delivered his response on his Twitter account while on his way back to the United States.
De Niro continued the streak for a third month in a row when he said in a speech in LA: 'A college education is important, but education without humanity is ignorance.
Find Trump's tweet and De Niro's latest comments below.
The actor has always been a vocal critic of the president. While in Toronto Tuesday morning, De Niro told Canadians he was sorry for Trump's behavior.
"It's a disgrace. And I apologize to Justin Trudeau and the other people at the G7".