MM

A beautiful, popular girl who is loved by many people and is very trendy and fashionable. She might be a celebrity or a fashion designer.

hey, have you seen the new girl? she's a real MM.

MM

(n.)

full form: magic maiden

A beautiful, popular girl who is believed to be using magic to increase her following. She has numerous fans and is very fashionable and trendy. She could be a celebrity or a fashion designer. Many people may overlook her success, but she is deserving of it.

Have you seen the new girl? She has 2 million subscribers on YouTube, I think she's an MM.