What does bm mean? Explanation: It's the girl in a small size, Brandi Melville (bm for short). This is a brand of clothes, only small size clothes are sold, and it is impossible to gain weight. Pants are 25 inches (64 cm) around the waist, and only very thin girls can wear them. People sometimes try to lose weight and become BM girls in order to wear BM.

Source: Brandy Melville (BM for short), BM is the abbreviation of Brandy Meville, an Italian brand. BM only provides clothes in small sizes, so if you want to wear them, you must be slim enough. Many girls use this to prove their figure and become BM girls.

Usage scenario: Girls who are obviously thin in weight and size S can be called BM girls.

Example: This BM girl is so beautiful.