Crossword Genius

Jack, posh, takes something cold in drink (5)

Ross

I believe the answer is:

juice

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

'jack posh takes something cold' is the wordplay.
'jack' becomes 'J' (playing card abbreviation).
'posh' becomes 'u' (abbreviation for upper-class - opposite to non-U).
'takes' is a charade indicator (letters next to each other).
'something cold' becomes 'ice'.
'j'+'u'+'ice'='JUICE'

'in' acts as a link.

(Other definitions for juice that I've seen before include "Fruity liquid" , "It can be expressed" , "Vitality" , "Energy" , "Sap; petrol" .)

I've seen this clue in The Sun.
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