any of various games in which players, simulating combat, use air guns to shoot pellets filled with colored gel at each other
See paintball in American Heritage Dictionary 4
(pāntˈbôlˌ)
noun
A game in which players on one team seek to eliminate those on an opposing team by marking them with a water-soluble dye shot in capsules from air guns.
The dye-filled gelatinous capsule shot from guns in this game.