Acclaimed author Stephen King had a blistering retort to Donald Trump's newly unveiled tax plan, writing on his Twitter account Thursday afternoon that the president "couldn't give Shit One about" workers.

The proposal's been dubbed a "love note to the wealthy," as it includes cutting the corporate tax rate from 35 percent to 20 percent and getting rid of the estate tax, and, counter to Trump's claims, suggests no boon to the middle class but does stand to personally benefit Trump by over $1 billion.

A day after the plan was unveiled, the horror genre master tweeted:

King has been an outspoken critic of Trump, warning about a presidency under "The Donald" even before he moved into the White House.

King has also frequently used Twitter as a platform to deliver such criticisms, leading him to join the ranks of those blocked by Trump. (King, in turn, symbolically banned Trump from seeing his record-successful film It and his television thriller "Mr. Mercedes." "No clowns for you, Donald. Go float yourself," King tweeted.)

Among the barbs King's tweeted include calling Trump "unfit for office"; a "remarkable combination of unhinged and dumb as dirt"; and a "sexist oinker." Other zingers have included: