The most common and most likely answer to this crossword clue is the 4 letter word BOHO
B
O
H
O
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 BOHO mean?
BOHO noun- A bohemian.
- A style of female fashion drawing on various bohemian and hippie influences, popular in the mid-first decade of the 21st century.
- Bohemian.