HMU is an acronym used in texting and social media that stands for "hit me up". It is a request to contact the person later, either by text, call, or other means of communication. It can be used in many ways, such as to request or invite someone to hang out, chat, or catch up. Here are some examples of how to use "hmu":

• "If you want to go out downtown later, hmu."
• "Hey, hmu later, well go get drinks."
• "Youre really cute. Heres my number, hmu."

HMU is an informal way to tell someone youre open to further meetings and are fond of hanging out more often for different purposes. It is often used casually among friends or acquaintances. HMU can also be a flirty phrase that encourages your crush to message or go on a date with you.