Former White House Communications Director Anthony Scaramucci, who served in the Trump administration for less than two weeks in 2017, escalated his feud with Donald Trump on Friday, calling him a “jackass,” “narcissistic,” and “crazy” in a newly published interview.

Scaramucci unloaded at his former boss in a recent Vanity Fair interview published early on Friday, claiming that Trump was “losing it, mentally” and that he was likely to drop out of the 2020 race by March once it became clear that it was “impossible for him to win.”

“It’s gonna become very clear that it’s impossible for him to win,” Scaramucci said. “And is this the kind of guy that’s gonna want to be that humiliated and lose as a sitting president? He’s got the self-worth in terms of his self-esteem of a small pigeon. It’s a very small pigeon. ”

Scaramucci predicted that Trump would not poll well with voters, and said the president would not be able to “handle the humiliation.”

“He is smart enough to know that that entire Congress hates his guts,” he added.

Though Scaramucci had previously maintained loyalty to the Trump administration, he said he became disillusioned with Trump due to his “full-blown racism.”

“He’s actually worse than a racist,” he said. “He is so narcissistic, he doesn’t see people as people. He sees them as objects in his field of vision. And so therefore, that’s why he has no empathy.”

He cited Trump’s recent visit to El Paso, Texas, following a mass shooting there which left 22 people dead, in which Trump gave a thumbs up and posed with an orphaned baby during a photo op, as well as his awkward Oval Office meeting with Yazidi activist and Nobel Prize winner Nadia Murad, as the moments when the scales began to tip.

He also took a stab at Trump’s mental state, calling him “petulant” and “impetuous.”

“I think the guy is losing it, mentally,” he said. “He has declining mental faculties.”

The relationship between Scaramucci and Trump began to sour last week when after Scaramucci told MSNBC’s Chris Matthews on “Hardball” that Trump “didn’t do well” on his trips to El Paso and Dayton, Ohio, in the wake of two mass shootings this month which left a total of 31 people dead.

Trump responded to Scaramucci’s comments on Saturday in a series of scathing tweets, calling him “totally incapable” and saying he “would do anything to come back in” to the Trump administration after his short-lived tenure.