Crossword Genius

Become distressed? (4,4,4,3)

Ross

I believe the answer is:

tear ones hair out

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'distressed?' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for tear ones hair out that I've seen before include "becoming "distressed"?" , "Remove locks in frustration" , "Become angry" , "violently tackling high-level cover-up" , "Show frustration" .)

I've seen this clue in The Sunday Times and The Times.
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