The most common and most likely answer to this crossword clue is the 9 letter word LACERATED
I've seen this crossword clue in Financial Times
L
A
C
E
R
A
T
E
D
Buddy explains!

The straight part
We know that "cut in a jagged way" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cut in a jagged way = lacerated.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 LACERATED mean?
LACERATED verb- To tear, rip or wound.
- To defeat thoroughly; to thrash.
- Having lacerations