The most common and most likely answer to this crossword clue is the 6 letter word GODDAM
I've seen this crossword clue in The Guardian
G
O
D
D
A
M
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 GODDAM mean?
GODDAM noun- (Gallicism, chiefly in the plural) An English person, from the perspective of a French person or in the context of French history.
- An expression of anger, surprise, intense excitment or frustration.