Cold shower lashes into drunk (10)

I believe the answer is:

hailstones

'cold shower' is the definition.
(shower of cold stones)

'lashes into drunk' is the wordplay.
'drunk' indicates an anagram.
'lashes'+'into'='lashesinto'
'lashesinto' anagrammed gives 'HAILSTONES'.

(Other definitions for hailstones that I've seen before include "cold fall" , "bad weather" .)

I've seen this clue in The Independent.

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