Boxer Adrien Broner -- 1-MAN DANCE PARTY ... Gets Wild at ATL Nightclub

Here's some pretty amazing video of boxing superstar Adrien Broner turning ALL THE WAY UP in a nightclub in ATL this weekend.

Dancing like his life depends on it? Check.

Clutching a bottle of expensive champagne? Check.

Wearing a half-open shirt that would make Magnum P.I. proud? CHECK! CHECK! CHECK!

It all went down at Mansion Elan nightclub ... where Broner was partying with a bunch of big stars like Lil Boosie and Yo Gotti who were all in town for the BET Hip-Hop Awards.