English edit

 
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Etymology edit

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

Noun edit

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