It sure sounds like Donald Trump is gearing up for another run at the White House ... 'cause he pretty much announced it while campaigning for his longtime friend Herschel Walker on Wednesday.
#45 was front and center at the former football star and Senate hopeful's event at Mar-a-Lago ... and after Walker introduced him as the "greatest president to ever, ever hold office," Trump gave a room full of supporters music to their ears.
"I say I ran twice," Trump said.