There are countless synonyms that can be used to describe the phrase "good buddies". Some popular options include "close friends", "bosom buddies", "comrades", "pals", "chums", "mates", "compadres", "partners in crime", "brothers/sisters in arms", "confidantes", "allies", "companions", "buddies for life", and "ride or die friends". Each of these synonyms carries a slightly different connotation, but all essentially convey the same sentiment: a strong bond of friendship and camaraderie that is built on trust, mutual respect, and shared experiences. Whether it's slang or more formal terminology, there's no mistaking the importance of having good buddies in life.