The phrase "haddest ones ship come in" means that someone has finally achieved success or made a great fortune after a long period of struggle. It is a statement of accomplishment and denotes the arrival of good luck and prosperity. Some synonyms for this phrase include "having hit the jackpot," "made a killing," or "struck gold." Other phrases that convey similar meanings include "made it big," "had a breakthrough," or "hit the big time." Essentially, all these phrases describe the sense of triumph and relief that comes with having achieved one's goals and finding financial or personal success.