Ana stands for an eating disorder. It means ANorexiA, and it's commonly used for anorexic girls to speak in code with another anorexics grils.
They also use the term "ana" as if were a real person, a friend of theirs.
"I love ana, she make me lose so much weight".
"My best friends are ana& mia, they will make me become perfect"
14👍 21👎