The most common and most likely answer to this crossword clue is the 4 letter word LAME
I've seen this crossword clue in Financial Times
L
A
M
E
More clues leading to the result LAME
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 LAME mean?
LAME noun- A stupid or undesirable person.
- To cause (a person or animal) to become lame.
- Unable to walk properly because of a problem with one's feet or legs.
- Moving with pain or difficulty on account of injury, defect or temporary obstruction of a function.
- (by extension) Hobbling; limping; inefficient; imperfect.
- Unconvincing or unbelievable.
- Failing to be cool, funny, interesting or relevant.
- A lamina; a thin layer or plate of material, as in certain kinds of armor.
- (in the plural) A set of joined overlapping metal plates.
- To shine.