Musk attacked Trump directly over his signature spending bill for the first time Thursday, sparking an explosive back-and-forth.

On June 5, as the feud between the two erstwhile besties escalated, Trump posted on his Truth Social Platform, “The easiest way to save money in our Budget, Billions and Billions of Dollars, is to terminate Elon’s Governmental Subsidies and Contracts. I was always surprised that Biden didn’t do it!”