nerd coachella
n. - collective term used to describe a group of people gathered outside in an open area to view a particular natural phenomenon in the sky related to atmospheric anomalies or "space weather" with particular emphasis on their fashion and eyewear choices.
"These people with their bold fashion choices & blocky eyewear, hanging out in a field together.... this is the nerd coachella." (when referring to many of the gatherings for North American Eclipse 2017). - SDS