Chris Brown -- Dude Can Dance!!! (VIDEO)

Chris Brown became the Ferris Bueller at a charity basketball game in L.A. .... inspiring a full-on dance party which included a crazy back flip, and one awesome toddler.

Brown was at Dorsey High School Tuesday night for a LAPD charity basketball game benefiting the Symphonic Love Foundation. Talk about fraternizing with the enemy!

But you gotta give it up for Chris ... he gave the kids the thrill of a lifetime ... dance battling with a dude and cheering on one of the cutest kid dancers you'll ever see.