Baka is a Japanese word for stupid, idiot, moron
Because this word is in a lot of amine and mangas it is consistently being used by many Fan girls and Fan boys
Used in the otakuese
T. I thought you were a boy cuz of the short hair
M. You BAKA I AM A GIRL!!!!!
T.But you really look like a boy...
M.You BAKA I ALREADY SAID IM A GIRL