Crossword Genius

Sock or socks (inter alia)? (7)

Ross

I believe the answer is:

clobber

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'sock' is the definition.
(thesaurus)

I don't understand the remainder of the clue.

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(Other definitions for clobber that I've seen before include "Clothes - hit" , "Whitewash" , "what one barely lacks" , "duds" , "Severely criticise" .)

I've seen this clue in The Telegraph.
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