Lit means something is cool or exiting and It could also mean drunk. It Has been reincarnated by rappers. They used it mainly in their songs. But the people who used it most were people called "Hypebeast". These "Hypebeast" were people who wear streetwear. Some examples of street wear are, "Supreme", "OFF-WHITE", "NIKE", "ADIDAS", etc..... These brands are considered "lit" because, Now in today's society, you are now judged by your looks.