Nigga Balls HD comes from a video of a balding white man with a beard very exaggeratingly shouting out someone on Instagram named "big black nigga balls hd", followed by other Instagram accounts he shouts out in the same clip.
Bruh, I been studyin' a good amount and I think I found out how to get those big nigga ballsyou seen in pornos! You know, the ones that they put in the lasagna vaginas?