Jesse Ventura says he's seriously thinking about running for President of the United States in 2020 -- and says Donald Trump should be scared ... because it would be an ass-kicking!!!
"The [Green Party] has shown some interest," the 67-year-old former Governor of Minnesota told us at LAX ... "I haven't made a decision yet because it's a long time off."
But ... here's where things get good.
"If I do do it, Trump will not have a chance," Ventura says.
"For one, Trump knows wrestling. He participated in two Wrestlemanias.