Kind and frail, English Sikh bent down lots (5,4,1,4)

I believe the answer is:

drink like a fish

'down lots' is the definition.

'kind and frail english sikh bent' is the wordplay.
'and' is a charade indicator (letters next to each other) (I've seen this in other clues).
'english' becomes 'e' (abbreviation).
'bent' is an anagram indicator.
'frail'+'e'+'sikh'='frailesikh'
'kind' after 'frailesikh' is 'frailesikhkind'.
'frailesikhkind' anagrammed gives 'DRINK LIKE A FISH'.

(Another definition for drink like a fish that I've seen is " down a lot".)

I've seen this clue in The Independent.

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