obscene mobscene
An event that has been overrun by people to the point that trying to participate becomes an exercise in futility.
Dude 1: "Hey, what took so long with the beer?"
Dude 2: "Sorry dude, Quickee-Mart was a total obscene mobscene."
Dude 2: "Sorry dude, Quickee-Mart was a total obscene mobscene."