The most common and most likely answer to this crossword clue is the 7 letter word FRISSON
I've seen this crossword clue in The Times
F
R
I
S
S
O
N
More clues leading to the result FRISSON
- Boy on French island gets a thrill
- Friday’s child? That’s a thrill!
- Loving and giving boy presumably provides a thrill
- Opening for French teacher on way back with relative — a thrill
- Shudder when Boris – no leader – battles with NSF
- Is child following father? That must be a thrill
- Thrill from boy that’s loving and giving?
- Day on passing ship, a thrill
- Friday’s boy creates thrill
- Liberated boy apparently gives goosebumps.
Buddy explains!

The straight part
We know that "thrill" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case thrill = frisson.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 FRISSON mean?
FRISSON noun- A sudden surge of excitement.
- A shiver, a thrill.