The most common and most likely answer to this crossword clue is the 4 letter word MINK
M
I
N
K
Buddy explains!

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 MINK mean?
MINK noun- (plural mink or minks) Any of various semi-aquatic, carnivorous mammals in the Mustelinae subfamily, similar to weasels, with dark fur, native to Europe and America, of which two species in different genera are extant: the American mink (Neovison vison) and the European mink (Mustela lutreola).
- (plural mink) The fur or pelt of a mink, used to make apparel.
- (plural minks) An article of clothing made of mink.
- (plural minks) An individual with poor personal hygiene; a smelly person.