The most common and most likely answer to this crossword clue is the 13 letter word TRAINSPOTTING
I've seen this crossword clue in Financial Times
T
R
A
I
N
S
P
O
T
T
I
N
G
More clues leading to the result TRAINSPOTTING
- Film's starting point abroad
- Coach identifying film from 1990s
- Novel‘s pathetic protagonist losing ring but winning old cash
- Novel, starting point for film
- Film school on location before Cannes, say? Good!
- Odd starting point for a hobby
- Hobby‘s starting point, oddly
- Film school’s activity at The Crucible
- Film teaches snooker skills
- Film coaches working in the shed
Buddy explains!
The straight part
We know that "Film" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case film = trainspotting.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.