Sisqo remade "Thong Song" -- all in an effort to support  LeBron James deserving the NBA MVP award

The singer was approached by Colin Cowherd from FS1's "The Herd" about remaking his 2000 classic and obliged ... and it's pretty good! 

He throws shade at James Harden, Russell Westbrook and some other NBA stars while praising King James ... who also happens to have dumps like a truck.