The most common and most likely answer to this crossword clue is the 10 letter word PATHÉTIQUE
I've seen this crossword clue in The Guardian
P
A
T
H
Ã
‰
T
I
Q
U
E
More clues leading to the result PATHÉTIQUE
Buddy explains!

The straight part
We know that "8/ 8" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case 8/ 8 = pathÉtique.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.