Cryptic crossword clue
Flying kites filled with writing material – most abnormal 8

The most common and most likely answer to this crossword clue is the 8 letter word KINKIEST

I've seen this crossword clue in Independent
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Buddy explains!

The straight part
We know that "most abnormal" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case most abnormal = kinkiest.
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 KINKIEST mean?

KINKIEST adjective
  1. Full of kinks; liable to kink or curl.
  2. Marked by unconventional sexual preferences or behavior, as fetishism, sadomasochism, and other sexual practices.
  3. Queer; eccentric; crotchety.

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