Shaking the dice

Whacking off. In reference to how shaking dice looks like you're whacking off a ghost dick. And when you release the dice it's like ejaculation

Ah man, I was shaking the dice to some of that good shit, know what I mean

spilling the sauce

Another term for masturbation. In reference to semen resembling a sauce.

Ah man, I was up last night spilling the sauce to some of that good shit