A concert, festival or other event (usually pertaining to music) which is held online. A URL show may be a livestream of an IRL concert, but many - such as the events presented by Open Pit - are purely online, either via a twitch/youtube stream, a minecraft server, a zoom call, etc.
Person 1: ¡It's been mega cringe fur realllzzz not being able to go to concerts during the big sneeze, but last night i watched a URL show and big zaddy Parry Gripp played b2b Death Grips and that went hecking insaneo style!
Person 2: ok
Person 2: ok