The phrase "huge hit" means something that is very popular, successful or well-received by a large number of people. It can refer to an event, product, service, song, movie, book, or any other form of entertainment or business that has gained widespread acceptance and approval from the public. When used in reference to a musical recording, it means that the record has sold very well and received extensive airplay on radio stations. In short, "huge hit" is something that has captured the imagination and attention of many people, making it a resounding success.