What is bub meaning in relationship?

Bub is a term of endearment used in a relationship, typically by couples who have been together for some time. It is a shortened version of "baby" and is used to convey affection and closeness. Some people use "bub" as a nickname for their partner, while others use it as a term of endearment during conversations. It is often used in a playful or loving way to show affection for one's significant other. Overall, the meaning of "bub" in a relationship is one of love, care, and tenderness towards the other person.