danceathon

English

Etymology

dance +‎ -athon

Noun

danceathon (plural danceathons)

1. A charity event in which participants engage in a prolonged session of dancing.
   • 1989 June, Cincinnati Magazine, volume 22, number 9, page 12:

     The first-time event, modeled after a Seattle danceathon, raised an estimated $10,000...

   • 2009, Adam Russ, 101 Sports Not to Try, page 140:

     Out of desperation promoters hit upon the idea of marathon events - walkathons, danceathons, and almost inevitably skateathons.