skully

From skull +‎ -y; (game): from the skulls which are drawn around the center square in the game.

skully (countable and uncountable, plural skullies)

1. (countable) A knit cap.
2. (uncountable) A street game in which players attempt to flick caps into a series of squares drawn on the ground.

   Synonyms: skelly, scully, skelsies, skilsies