Wiktionary
hit it big
vb. (context idiomatic English) To have great success
Usage examples of "hit it big".
Everyone wants to hit it big and have something great just happen, like winning a lottery.
No one knows anything about him except that he's a bounty hunter who's hit it big out on the Frontier.
And last year's smash for the smokin' Jim Carrey, The Mask {and the even more surprising success of The Crow's dark vision) showed that even less famous, more contemporary cartoon heroes can hit it big at the box office.
The marriage had been over, and she knew she'd never hit it big as an entertainer.
Family hit it big in the late twentieth in the Silicon Valley explosion.
The affection inside her that wouldn't die for her father might let her fantasize that he'd finally, finally, hit it big.