A 3 in a half min. song by 2pac telling that he's getting money and what he does, such as he's up before sunrise and how he is going to fuck his bitch, she's getting paid today.
A song named St8 Ballin' has almost the same words to Im Getting Money, just different beat.
When you catch someone masturbating in there room or in pubic. Called this because, that's what a guy hand movement would look like as if they were getting some money and putting it away