The most common and most likely answer to this crossword clue is the 5 letter word RUMMY
I've seen this crossword clue in Financial Times
R
U
M
M
Y
More clues leading to the result RUMMY
- Not good being short of clubs in card game
- Game's tasty without starter on bit of rocket
- Like Bacardi but could go after gin here
- Strange, setter’s game
- Returning from Lymm, urgently
- Clubs withdrawing from rubbish game
- Card game somewhat spirited?
- Lead lost in lousy card game
- An odd card game
- Game for a drink? Blimey!
Buddy explains!

The straight part
We know that "odd/card game" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case odd/card game = rummy.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 RUMMY mean?
RUMMY noun- A card game with many rule variants, conceptually similar to mahjong.
- A rum-drinking alcoholic.
- Resembling or tasting of rum.
- Peculiar; odd.