What is the meaning of Tiddlywink?

An unlicensed beerhouse or pawnshop.

An alcoholic drink.

A game played using dominoes.

A small disc used in the game of tiddlywinks; a similar disc or counter used in other games.

Especially of something disc-shaped: to flip over like a disc used in the game of tiddlywinks.

To play tiddlywinks.

Source: wiktionary.org