Has one ship come in is an idiom that means to receive success, profit or good fortune. There are several synonyms for this idiom that can be used interchangeably depending on the context. These include "to strike gold," "to hit the jackpot," "to make a killing," "to roll in dough," "to be in luck," "to be blessed," and "to be fortunate." All these phrases signify an instance when one has benefited from a situation or a venture, resulting in some form of gain. So next time you want to express your good fortunes, use one of these synonyms for "has one ship come in".