The most common and most likely answer to this crossword clue is the 9 letter word FORELOCKS
I've seen this crossword clue in Independent
F
O
R
E
L
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Buddy explains!
The straight part
We know that "highbrow things?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case highbrow things? = forelocks.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 FORELOCKS mean?
FORELOCKS noun- The part of a person's hairstyle which covers the forehead.
- The part of a horse's (or similar animal's) mane that lies on its forehead.
- A wedge pushed through a hole at the end of a bolt to hold it in place.
- To fix in place with a forelock (wedge)