Cryptic crossword clue
Suppression of blue joke comes first 9

The most common and most likely answer to this crossword clue is the 9 letter word CRACKDOWN

I've seen this crossword clue in The Daily Telegraph
C
R
A
C
K
D
O
W
N


Buddy explains!

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 CRACKDOWN mean?

CRACKDOWN noun
  1. Abruptly stern measures or disciplinary action; increased enforcement

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