Hello, Sailor! is a phrase that has been used for centuries as a friendly greeting among sailors. It is also commonly used in popular culture, such as in the song 'Hello, Sailor' by The Beach Boys. The crossword solution for this phrase is AHOY, which is a nautical term used to greet someone or to attract attention. AHOY is an exclamation that is derived from the Middle Dutch word 'HOY, ' which means 'HEY.'