Meaningless parlor game created in Victorian 1890's England in which the objective is to shoot "winks" into a cup. Commonly used today to disparagingly call something trivial and unimportant.
Guy1: Hey man I'm off to play a game of pickup volleyball at the park, want to come?
Guy2: Nah I'm off to play some tackle football, but you can call me when you're done playing tiddlywinks.
"I made 7 grand on the Google IPO, but that's tiddlywinks compared to what the Sergey Brin made."
It's like tiddlywinks... but totally different. It involves coercing a young, influential, and wanton gutter-slut into anal intercourse and, when boredom hits, urinating in said subjects bottom with your John-Thomas.
Piddly Winks is a game where a button is dropped into a urinal and a competitor pees making the button go round in a circle. The winner is the person who gets the most rotations of the button.
Jim: "I had a game of Piddly Winks but only managed to get a score of 4!"
"Awww look at the little piddlywink i just wanna squeeze its head until its bowels empty and i rip out its intsetines and reverse sidewinder the piddlywink out of it."