The most common and most likely answer to this crossword clue is the 7 letter word JOLTING
I've seen this crossword clue in The Times
J
O
L
T
I
N
G
Buddy explains!
The straight part
We know that "Shocking" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shocking = jolting.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 JOLTING mean?
JOLTING verb- To push or shake abruptly and roughly.
- To knock sharply
- To shock (someone) into taking action or being alert
- To shock emotionally.
- To shake; to move with a series of jerks.
- A movement or action that jolts.
- Causing or characterized by sudden abrupt movements.
- Inspiring shock; startling.
- Unusually obscene or lewd.
- Extremely bad.