tiddlywinks n 1: a game in which players try to flip plastic disks into a cup by pressing them on the side sharply with a larger disk
Tiddledywinks \Tid"dle*dy*winks`\, n. A game in which the object is to snap small disks of plastic, bone, ivory, or the like, from a flat surface, as of a table, into a small cup or basket; -- called also {tiddlywinks}. [U. S.] [Webster 1913 Suppl.]
Tiddlywinks \Tid"dly*winks`\, n. Same as {Tiddledywinks}. --Kipling. [Webster 1913 Suppl.]