YNW might seem like a nonsense acronym that has no merit or inherent meaning but it is the stage name of a young and infamous rapper.
Jamell Maurice Demons was a rising rapper that had some major success with his rap singles. His stage name is YNW Melly with the YNW standing for “Young New Wave” or “Young New N****” At the age of 20, he was arrested for murder and weapons charges. He has had several legal issues come to light after his arrest. He is still awaiting his verdict. When using YNW, you are primarily referring to this rapper. It can be used like:
“YNW Melly had some potential but he’s ruined now.”
“Dang! I was into his work but after knowing YNW’s legal history, I am ashamed/”