Fizzy drink for each philosopher (6)

I believe the answer is:

popper

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'fizzy drink for each philosopher' is the definition.
I can't judge whether this defines the answer.

'fizzy drink for each' is the wordplay.
'fizzy drink' becomes 'pop' (I've seen this before).
'for each' becomes 'per' (I've seen this before).
'pop'+'per'='POPPER'

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(Other definitions for popper that I've seen before include "Associate of Vienna Circle" , "Press-stud" , "2 [PHILOSOPHER]" , "making reports?" , "Press stud" .)

I've seen this clue in the Independent.

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