tiddlywinks

noun (used with a singular verb)

1. a game played on a flat surface, in which players attempt to snap small plastic disks into a cup by pressing the edges of the disks with larger ones.

noun

1. (functioning as singular) a game in which players try to flick discs of plastic into a cup by pressing them sharply on the side with other larger discs

n.children’s tile-flipping game, 1857, probably an arbitrary formation from baby talk, but perhaps from slang tiddly-wink “unlicensed drink shop” (1844), from slang tiddly “a drink, drunk.”