Ray J's claim to fame is that he hit "it" first, with the "it" being Kim Kardashian and her va-jay-jay. (Or is it va-Ray-J?)
The rapper is capitalizing on the fact that the two of them got famous on the back of their sex tape, her more so than him. We can understand that he feels entitled to some residual riches and that it's his turn to make the cash registers go ka-ching, but