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 August 24, 2005
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