What does put the lime in coconut and mix it all up mean?

"Put the lime in the coconut and mix it all up" is a line from the popular children's song, "Day-O (The Banana Boat Song)." The song is about Jamaican banana boat workers and their daily routine. The line "put the lime in the coconut and mix it all up" refers to a traditional Caribbean drink made by mixing lime juice with coconut water. The drink is often enjoyed on hot days and is known for its refreshing taste. The phrase has also become a popular expression used to describe a situation where different elements or people come together to create something new and exciting.