The most common and most likely answer to this crossword clue is the 8 letter word BROUHAHA
I've seen this crossword clue in Financial Times
B
R
O
U
H
A
H
A
More clues leading to the result BROUHAHA
- Talked of steep ditch causing furore
- Brother put on posh sound of laughter — uproar results
- Uproar where French expression of amusement is faced by British
- Fuss kicked up by relative, uncle initially laughing
- Universal laughter after relative makes a fuss
- British Airways admits sick German taking flight to Hawaii causes uproar
- Happy hour in pub right away leads to hugs and excitement
- Commotion broken up, halved by wall
- Fuss university circle raised over expression of laughter
- Turmoil and ferment heard before laughter
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 = brouhaha.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 BROUHAHA mean?
BROUHAHA noun- A stir; a fuss or uproar.