The host of the U.K. edition of “The Apprentice” used a vulgarity to refer to President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE on live TV, forcing “Good Morning Britain” host Piers Morgan, a longtime ally of Trump's, to apologize.

The remark from Lord Alan Sugar came during a discussion in which Morgan questioned Sugar about his wealth.

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“I tell you, you could write a check using my total funds of around about £250 million, present it to the bank and it would be paid,” Sugar said.

“That tosser with the hair,” Sugar continued, referring to Trump with a British insult comparable to "wanker." “He couldn’t do that."

The comment came after the show aired a clip of Trump criticizing Sugar to Morgan, according to the Evening Standard.

Morgan interjected to scold Sugar: “Oh please!” the host said. “That’s the president of the United States, Alan.”

He went on to apologize to viewers, saying: “That’s no way to talk about the president of the United States … and I’d like to apologize.”

“The only one offended would be him,” Sugar shot back.

Morgan, who won a season of the Trump-hosted "Celebrity Apprentice," on Monday released an op-ed asking to be made the president's next chief of staff.

Morgan wrote in the Daily Mail that he would be a good option to replace the exiting John Kelly John Francis KellyMORE because the "key thing is to have someone at your side that understands you, has known you a long time, likes you and commands your respect."