Former Breitbart editor Ben Shapiro called Donald TrumpDonald John TrumpEsper sidesteps question on whether he aligns more with Mattis or Trump Warren embraces Thiel label: 'Good' As tensions escalate, US must intensify pressure on Iran and the IAEA MORE a "turd tornado" in an interview on Wednesday after the Trump campaign hired the conservative news outlet's chairman.

"As you probably know, I think Donald Tramp is a turd tornado, but I also understand that he has no capacity whatsoever to control himself and be the sort of staid politician that so many people want him to be," Shapiro said on CNN.

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"So telling him to double down is not necessarily a terrible strategy. If he is going to go down, he is going to go down being Trump and that's probably what Steve Bannon is telling him to do."

"A what tornado?" CNN host Brianna Keilar asked Shapiro.

"A turd tornado," Shapiro answered. "It's like a 'Sharknado' except with poop."

On Wednesday, the GOP presidential nominee hired Breitbart News Chairman Stephen Bannon as campaign CEO and named former Trump adviser and pollster Kellyanne Conway campaign manager.

The shake-up comes at a crucial time for the Trump, who is behind Democratic rival Hillary ClintonHillary Diane Rodham ClintonWhy Trump's bigoted tropes won't work in 2020 The Hill's Morning Report - Presented by JUUL Labs - House to vote to condemn Trump tweet GOP put on the back foot by Trump's race storm MORE nationally and in several battleground states.

Shapiro, who was a Breitbart editor at large, left the online publication after it openly supported Trump, and he previously called the GOP nominee and his new campaign chief executive bullies.

"In my opinion, Steve Bannon is a bully and has sold out Andrew's [Breitbart] mission in order to back another bully, Donald Trump," Shapiro said in March after leaving the company.