Wiktionary
vb. 1 (context colloquial English) get up. 2 (context colloquial English) To dance with abandon
Wikipedia
"Get on Up" is a song by American R&B group Jodeci recorded for their third album The Show, the After Party, the Hotel (1995). The song was released as the third and final single for the album in 1996. "Get on Up" contains the sample of the 1981 song from Quincy Jones featuring Toots Thielemans' "Velas". Produced by Mr. Dalvin, it is the only Jodeci single to date that was not produced or written by group leader DeVante Swing. It was also the last Jodeci single released in 18 years before the group returned in 2014 with the single "Nobody Wins".
Get on Up is a 2014 American biographical drama film about the life of singer James Brown directed by Tate Taylor and written by Jez and John-Henry Butterworth. The film stars an ensemble cast featuring Chadwick Boseman as Brown, Nelsan Ellis as Bobby Byrd, Dan Aykroyd as Ben Bart, Viola Davis as Susie Brown, Craig Robinson as Maceo Parker and Octavia Spencer as Aunt Honey. The film was released on August 1, 2014.
Usage examples of "get on up".
It didn't take near as long to get on up to Corpus Christi, but by then Lieutenant Flynn had spent enough time in irons, contemplating a court-martial if not a keel-hauling, that he was singing like a tweety-bird when his superior Coast Guard officers commenced to question him.