Rubbish bit of drugs ... just said no? (7)

I believe the answer is:

refused

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'said no?' is the definition.
(I've seen this before)

'rubbish bit of drugs just' is the wordplay.
'bit of' indicates taking the first letters.
'drugs' becomes 'E' (E can mean ecstasy).
'just' becomes 'fused' (I can't justify this - if you can you should give a lot more credence to this answer).
The initial letter of 'rubbish' is 'r'.
'r'+'e'+'fused'='REFUSED'

Can you help me to learn more?

(Other definitions for refused that I've seen before include "turned down appeal" , "Was unwilling to accept" , "Said no (7)" , "Declined, rejected" , "Not accepted" .)

I've seen this clue in The Independent.

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