"Had one's ship come in" is a phrase which means that someone has become unexpectedly wealthy or successful. This phrase has many synonyms which can be used to convey the same meaning. Some of the synonyms for "had one's ship come in" are "hit the jackpot", "made it big", "struck it rich", "came into a fortune", "made a killing", "struck gold", "won the lottery", "hit the big time" and "made a bundle". All of these synonyms express a similar sentiment of unexpected success and fortune, and can be used interchangeably depending on the context and preference of the speaker or writer.