The most common and most likely answer to this crossword clue is the 7 letter word CRANKED
I've seen this crossword clue in The Daily Telegraph
C
R
A
N
K
E
D
Buddy explains!

The straight part
We know that "Wound up" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wound up = cranked.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 CRANKED mean?
CRANKED verb- To turn by means of a crank.
- To turn a crank.
- (of a crank or similar) To turn.
- To cause to spin via other means, as though turned by a crank.
- To act in a cranky manner; to behave unreasonably and irritably, especially through complaining.
- To be running at a high level of output or effort.
- To run with a winding course; to double; to crook; to wind and turn.
- Formed with, or having, a bend or crank.