'God save us all': The internet is bewildered by Trump's claim that he coined the phrase 'priming the pump'

President Donald Trump claimed Thursday that he coined the expression "prime the pump," a commonly used expression in economics with origins in the 19th century.

"Have you heard that expression used before? Because I haven’t heard it," Trump told The Economist. "I mean, I just -- I came up with it a couple of days ago and I thought it was good. It’s what you have to do."

The Twitter account for the Merriam-Webster dictionary quickly corrected the president.

And many other social media users heaped scorn on the president's bizarre claim.