Definition & Meaning of "on my way"in English

What does "OMW" mean in internet slang?

The structure is an initialism standing for "On My Way." It is used to let someone know that you are currently traveling to a meeting, event, or location, often in text messages or group chats. People typically type "OMW" when running late or simply to confirm that they have left, such as "OMW, see you in ten" or "Sorry, OMW now."