The most common and most likely answer to this crossword clue is the 9 letter word STROMBOLI
I've seen this crossword clue in Financial Times
S
T
R
O
M
B
O
L
I
More clues leading to the result STROMBOLI
- One always fuming Brit looms nastily
- Sort limbo dancing in Mediterranean island
- Volcano — one to throw up a lot of extra tons with sulphur about
- Italian smoker from Bristol prancing round home unclothed
- Soil freshly broken by instrument, not one for volcanic island
- Wolf almost caught in Timor’s erupting volcano
- It lobs more endless rocks
- Agitated mob riots around large site of some incendiary activity
Buddy explains!

The straight part
We know that "Italian smoker" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case italian smoker = stromboli.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.