His words are quoted by the New York Post with reference to a letter from the Trump campaign.
According to supporters of the ex-leader, Biden called Trump a “sick moron” and also spoke obscenely at him.
“You know, he doesn’t just think that about me, he thinks that about every one of my proud supporters,” Trump’s supporters quote Trump as saying.
Earlier, Politico wrote that Joe Biden had repeatedly made offensive remarks about Donald Trump behind closed doors.
According to the current head of the White House, his likely opponent in the presidential election “enjoys other people’s misfortunes.”