The most common and most likely answer to this crossword clue is the 11 letter word TIDDLYWINKS
I've seen this crossword clue in The Daily Telegraph
T
I
D
D
L
Y
W
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K
S
More clues leading to the result TIDDLYWINKS
- Game, having drunk whiskey and other fluids
- Drunken flirtatious gestures perhaps, a game
- Flipping game having had too many knowing signals
- Result of making mini bats for children’s game?
- Having had a few triumphs capturing king for game
- Game having had a few bats
- Game, drunk’s creepy advances?
- Merry king inspired by victories in game
- Game attempts to give flirty signal when squiffy?
- Drunken flirting in game?
Buddy explains!

The straight part
We know that "Game" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case game = tiddlywinks.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TIDDLYWINKS mean?
TIDDLYWINKS noun- A small disc used in the game of tiddlywinks.
- An unlicensed pawnshop, brothel, or beerhouse.
- (games) A game in which the objective is to shoot winks into a cup or at a target by flicking them with a shooter (nowadays called a squidger) from a surface.
- A competitive partnership game in which the objective is to gain an advantage over opponents by squopping opponent winks and by squidging friendly winks into a pot.