Home › Words › W › wormballwormballwormball means A spherical agglomeration of earthworms that forms during very wet weather.Among words judged in Lexicurio's Arena, wormball ranks #16,733 of 42,747 for Qualifying.EtymologyFrom worm + ball.nounA spherical agglomeration of earthworms that forms during very wet weatherDefinitions & examples from Wiktionary (CC BY-SA 3.0).