Donald Trump's old golfing buddy, George Lopez, is not down with POTUS' new, $50k golf simulator at the White House ... telling TMZ Sports the guy should be focusing on his job, not his stroke.
ICYMI -- The Donald recently had a room-sized golf simulator installed in the personal quarters at 1600 Penn ... and it's reportedly a big upgrade from what Barack Obama had during his presidency.
G Lo -- who has hit the links with Trump prior to becoming #45 -- tells us the move is "unnecessary" ... and Trump should put his time into fixing the country's issues.
"This fool needs to stop napping 60 percent of the time and he needs to get to work, because this is some bullsh*t that's going on," Lopez says.
"It's a bad look."
George never holds back when he talks about 45. He's been critical of the Prez since he went from reality star to candidate, and even went as far as to fake pee on his Hollywood Star last year.
So ... we take it Lopez won't be getting invited to try out the simulator anytime soon.
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