make money
hustle
spending alot of money
make a lick

Running it up” is an alternative way of referencing how somebody is accumulating money quickly

When you excel at anything and everything you do, like a pro so that the competition is forced to go cry in a corner and suck on their lil thumbs!

You can run it up at anything you do. An exam? Run it up! Having sex? Run it up!

Running up commonly refers to accumulating a large amount of something. In terms of the song, Scott’s running up large amounts of ‘cake,’ which commonly refers to money

To break into someone's residence and rob it clean of all valuable possessions.

But “run it up” can mean mad different things. It’s like “Run those jewels,” like how M.O.P. was saying. You know. Run it up, basically. What Remy was saying in the verse. That’s why I say it was God, because I wasn’t even thinking about none of that when I was doing it. It was just like it just came together that way

When someone talks big but their game weak and you know youre better than them.