What's the Hook?

You could take any four bars out of g thing, and that'ld be a hook for another's all right. It was people like dray who knew how to take it, cause bitches ain't ship but holes and tricks. And i ant boin to go to make a ba to the ston an docte. Dray say no, nigger, that's the hook. That was the start of his verse. His verse started like that. He made bitce say, shit. But holes and tricks pitce an shit. fos and trisoesos, like corup, wrote the hook, but didn't know it was a huok. We