
1) Ball game 2) Game of physical skill
Found on
https://www.crosswordclues.com/clue/wallball

Wallball is a type of school yard game similar to butts up, aces-kings-queens, American handball and Chinese handball. The sport was played by a few schools in the San Francisco Bay Area and New York City, then began gaining much popularity, resulting in a popular world wide sport. Wallball is now played globally with the international federation,...
Found on
http://en.wikipedia.org/wiki/Wallball
No exact match found.