An event, party, outing, gathering, activity, that you are invited to and will inevitably end up being you and a bunch of couples.
Dirk: How was the camping trip last night?
Suze: What a couplefest, I was the only single one there and I had to sleep outside under a picnic table.
Suze: What a couplefest, I was the only single one there and I had to sleep outside under a picnic table.
by Tbotmoore July 28, 2005