What does DM mean? Learn the meaning of DM, how it’s used in text and social media, real examples, and when to use or avoid it in chats. What does DM mean? Learn the full meaning of DM in texting, social media, relationships, and slang with simple examples and clear explanations. In most instances when people ask you to DM them, they're referring to a Direct Message. A direct message is a private communication between social media users and is sometimes referred to as a private message or PM. When you send a direct message, only you and the recipient can see the content. Diabetes mellitus refers to a group of diseases that affect how the body uses blood sugar (glucose). Glucose is an important source of energy for the cells that make up the muscles and tissues. It's also the brain's main source of fuel. The main cause of diabetes varies by type. Need myDMV online services help? Click here! If you are having trouble creating a myDMV account, struggling to log into an existing profile, or simply need general assistance navigating the system, we are here to help. Find services to renew your vehicle registration online, obtain a license plate or sticker replacement, update your address, and more. Here is the meaning and how to use the slang DM. What does 'DM' mean? DM means direct message, according to Merriam-Webster. The term can be used as a noun or verb. As a noun, DM stands.