The most common and most likely answer to this crossword clue is the 4 letter word SUIT
I've seen this crossword clue in Financial Times
S
U
I
T
More clues leading to the result SUIT
Buddy explains!

The straight part
We know that "P possibly/clubs" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case p possibly/clubs = suit.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 SUIT mean?
SUIT noun- A set of clothes to be worn together, now especially a man's matching jacket and trousers (also business suit or lounge suit), or a similar outfit for a woman.
- (by extension) A single garment that covers the whole body: space suit, boiler suit, protective suit.
- (metonym) A person who wears matching jacket and trousers, especially a boss or a supervisor.
- A full set of armour.
- The attempt to gain an end by legal process; a process instituted in a court of law for the recovery of a right or claim; a lawsuit.
- Obsolete The act of following or pursuing; pursuit, chase.
- Pursuit of a love-interest; wooing, courtship.
- The act of suing; the pursuit of a particular object or goal.
- The full set of sails required for a ship.
- Each of the sets of a pack of cards distinguished by color and/or specific emblems, such as the spades, hearts, diamonds or clubs of traditional Anglo, Hispanic and French playing cards.
- Regular order; succession.
- A company of attendants or followers; a retinue.
- A group of similar or related objects or items considered as a whole; a suite (of rooms etc.)
- To make proper or suitable; to adapt or fit.
- (said of clothes, hairstyle or other fashion item) To be suitable or apt for one's image.
- To be appropriate or apt for.
- (most commonly used in the passive form) To dress; to clothe.
- To please; to make content; to fit one's taste.
- To agree; to be fitted; to correspond (usually followed by to, archaically also followed by with)