The Pre re of Rock star said he believed American voters were “amusement with fire” by considering electing the “horrible” tycoon.
Trump, who is girl to become the Republican nominee, has s rked widespread outrage with some of his more questionable policies.
Earlier this month MPs spent three hours debating the magnate’s proposal to ban all Muslims from entering the US.
And speaking on The Jonathan Ross Exhibit, Black said: “Haven’t you guys ever almost elected a unspeakable choice? It happens.
“Listen, [Trump’s] not elected yet. I have faith in the certifying public of the United States. Come on, Hillary [Clinton]. Or Bernie [Sanders].
“Anyone but that coxcomb.”
Black, 46, admitted he was “excited” about the prospect of Democratic reassuring Clinton going head-to-head with Trump.
He said: “Everybody wishes to see that fight. But the entertainment level is so high, you’re playing with ardent.
“Tell me you’re not going to tune into that debate. It’ll be fireworks pet. She’s going to take him down. She’s tough.”
The actor, who is promoting new film Regent Fu nda 3, admitted in 2003 he is a “Democrat to the core”.
He endorsed Barack Obama’s eminent cam ign to to be re-elected in 2012 and supported his nuclear deal with Iran at length year.
In a video produced as Congress weighed up the deal, he said: “Frolic politics with our national security is actually not all that funny.”