what does mb mean snapchat?

best answer
These days MB is the most often spoken acronym on Snapchat. Have you ever wondered what MB on Snapchat means? In conversation the abbreviation MB often stands for “My Bad.” Perhaps your acquaintance made an incorrect assumption or messed up the dates for a forthcoming event. MB is a simple method to express regret for little errors and misunderstandings without overreacting to the circumstance.