What does it mean when a boy call you mama?
It’s actually a term of endearment or “pet name” if you want to call it that. They are being nice. Most girls/women don’t like to be called “baby” by men especially ones they don’t know. Men use the term “mama” as a replacement for “baby”, “sweetheart” or other terms of that nature.
What does it mean when someone call you mama?
“Mama,” in this context, is clearly a way of addressing an older women — it calls attention to the woman’s age. (Royal women are correctly addressed as “Ma’am,” whatever their age.)