wack job

American  

[wak job] / ˈwæk ˌdʒɒb /

whack job

noun

Slang.

1. an odd, irrational, or unconventional person; wack; wacko.

   I can't imagine why they hired that new line supervisor—he's a total wack job.

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Etymology

Origin of wack job

First recorded in 1975–80 in spelling whack job

Example Sentences

“Previously, I was known simply as a journalist,” she said, according to The New York Times, “and now I’m known as the liar, the fraud and the ‘wack job.’”

From Salon

“I’m not an election denier,” he said, adding, “I’m not this crazy tinfoil-hat conspiracy wack job.”

From Seattle Times

I’m not one of those woo-woo people or a wack job.

From Literature

In a public feud with Kellyanne Conway’s spouse last year, Trump called him a “wack job” and a “husband from hell”, prompting George Conway to say Trump was mentally unfit for his office.

From Reuters

When words and phrases like "wack job," "mentally deranged" and "dotard" are exchanged, it's no surprise the U.S. and North Korea aren't allies.

From Fox News