The most common and most likely answer to this crossword clue is the 11 letter word SANGUINEOUS
I've seen this crossword clue in The Times
S
A
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G
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Buddy explains!
The straight part
We know that "Bloody" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bloody = sanguineous.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 SANGUINEOUS mean?
SANGUINEOUS adjective- Accompanied by bloodshed; bloody.
- Eager for bloody violence; bloodthirsty.
- Resembling or constituting blood.