The term Brummie derives from Brummagem or Bromwichham, which are historical variants of the name Birmingham.

Why is a Brummie called a Brummie?

A Brummie is a term given to the name of the inhabitants of the city of Birmingham, England. Since Birmingham has been known as Brummagem to the locals for many centuries, it gave rise to the term 'Brummie', as well as 'Brum' (short for Brummagem).

What does the word Brummie mean?

adjective [usually ADJECTIVE noun] Brummie means belonging to or coming from Birmingham in England. [informal] ...a Brummie accent. A Brummie is someone who comes from Birmingham.