The most common and most likely answer to this crossword clue is the 5 letter word TO-DO
I've seen this crossword clue in The Times
T
O
-
D
O
More clues leading to the result TO-DO
- Yet to be ticked off for commotion
- Fuss excessively, hosting duke
- Fuss describing list
- Fuss excessively around daughter
- Fuss not yet dealt with
- Fuss unduly, entertaining daughter
- Confidence trickster’s aim spells trouble
- Fuss yet to be dealt with
- Without cap, stood out in a commotion
- List of tasks of tribal, not ace, getting old
Buddy explains!

The straight part
We know that "Fuss" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fuss = to-do.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 TO-DO mean?
TO-DO noun- A fuss made over something.
- A task that has been noted as one that must be completed, especially on a list.