clap-o-meter

From clap +‎ -o-meter.

clap-o-meter (plural clap-o-meters)

1. Alternative form of clapometer
   • 2021 September 15, Laura Martin, “How talent shows became TV's most bizarre programmes”, in BBC‎^[1]:

     A series of undiscovered acts would perform on the show every week, with the audience responding with cheers that were counted on the clap-o-meter, before viewers at home were then invited to send in a postal vote for the winner, who was announced the following week.