outcheer

From out- +‎ cheer.

outcheer (third-person singular simple present outcheers, present participle outcheering, simple past and past participle outcheered)

1. (transitive) To cheer more or louder than.
   • 2007 October 4, Pat Borzi, “Piniella Pulls Zambrano, and Arizona Pounces”, in New York Times‎^[1]:

     Mostly clad in red shirts and waving white pompoms, they vastly outnumbered and outcheered Cub fans, who usually have a strong presence here.