The most common and most likely answer to this crossword clue is the 6 letter word ZOUNDS
I've seen this crossword clue in Financial Times
Z
O
U
N
D
S
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 ZOUNDS mean?
ZOUNDS interjection- (minced oath) Expressing anger, surprise, assertion etc.