Definition of wallyball in English:
A game played on a four-walled court with rules similar to volleyball, and with a ball the same size as but harder than a volleyball. The ball is allowed to bounce once against the ceiling or one of the walls before being returned over the net.
- Three times a week they get together to play ‘wallyball’ - volleyball played on a racquetball court.
- I couldn't win at a game of wallyball even if my competition consisted entirely of mannequins clad in movement restricting plate mail armor.
- Fewer teams competed this year than in the past because interest in wallyball is waning, he said.