tid·dly·winks 
(tĭdlē-wĭngks′) also tid·dle·dy·winks (tĭdl-dē-)
(tĭdlē-wĭngks′) also tid·dle·dy·winks (tĭdl-dē-)pl.n. (used with a sing. verb)
A game in which players try to snap small disks into a cup by pressing them on the edge with a larger disk.
[Possibly dialectal tiddly, little + WINK.]