The most common and most likely answer to this crossword clue is the 9 letter word BIRTHDAYS
I've seen this crossword clue in The Daily Telegraph
B
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T
H
D
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More clues leading to the result BIRTHDAYS
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 BIRTHDAYS mean?
BIRTHDAYS noun- The anniversary of the day on which someone is born.
- The anniversary of the day on which something is created.
- The date on which someone is born or something is created, more commonly called birthdate or date of birth.
- To celebrate one's birthday.