The Boston Stupid Shit No One Needs & Terrible Ideas Hackathon is the obverse of events where people get together to create cool new stuff, and it's coming up, on May 27:
A "hackathon" is a social event where people come together for a short period of time to make a project, like an app or hardware device. A "stupid shit hackathon" is an event where people come together to make projects that are terrible, useless, horrifying, and probably should have never been made.