Crossword Genius

Passed on style of bra cups in G – I said these should work (7,2,3,7)

Ross

I believe the answer is:

pushing up the daisies

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'passed on style of bra cups in g i' is the definition.
I know nothing about this answer so I cannot tell whether it can be defined by this definition.

'said these should work' is the wordplay.
I cannot quite understand how this works, but
an anagram of 'said' is 'dais' which is present in the answer.
This explanation may well be incorrect...

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