The most common and most likely answer to this crossword clue is the 9 letter word BEE-STUNG
I've seen this crossword clue in The Guardian
B
E
E
-
S
T
U
N
G
Buddy explains!

The straight part
We know that "Engorged" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case engorged = bee-stung.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 BEE-STUNG mean?
BEE-STUNG adjective- (of lips etc) very full; almost swollen