The most common and most likely answer to this crossword clue is the 2 plus 1 plus 3 plus 3 letter word AT A LOW EBB
A
T
A
L
O
W
E
B
B
More clues leading to the result AT A LOW EBB
- Area a lot choppy? Channel swimmer weak
- Rocky Balboa – wet, miserable
- A lecture curtailed by old, old socialist in a weak state
- Weakened elbow a bat’s clobbered
- A voluntary group see BBC news presenter in a miserable way
- Visiting Balliol regularly with old captain in poor spirits
- In a flap, see Internet equivalent of ‘fed up’
- Rocky Balboa, wet and in a weakened state
- “Depressed bowel movement” featured in a sticker
- Even bits of Martha's elbow beaten black and blue
Buddy explains!

The straight part
We know that "in poor spirits" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in poor spirits = at a low ebb.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.