A come up
1) to grow up, like you were a kid and now you're a man. 2) to rise from the streets, like you came from nowhere and now you're flexin'. 3) to succeed, like you worked for it and now you're the best.
He came up from the streets, like he started in the gutter and now he's the king of the block.
She came up from nothin', like she was a nobody and now she's a somebody.
That business came up, like it started small and now it's a big flex.