Freddie Freeman Does Perfect 'Worm' At Wild Dodgers Party

Move over, Dennis Rodman ... there's a new "Worm" in town -- Freddie Freeman, who showed off his shockingly good dance moves at a Dodgers World Series rager!!

The 36-year-old first baseman was the star of the champs' post-parade celebration hosted by Mookie Betts Monday night ... grooving to Roscoe Dash's "All the Way Turnt Up."

freddie freeman sub getty swipe

Seconds into a video posted by Betts himself, Freeman elected to take it to the ground ... and pulled off the best worm you'll ever see.

Not only did he move on his belly -- once he got to his feet, he bent over and gave a little twerk for good measure.

The whole crowd loved it ... but Freddie wasn't the only one cutting a rug during the…