Crossword Genius

Nags fed garbled smokers’ rubbish (3-4)

Ross

I believe the answer is:

fag-ends

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'smokers' rubbish' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'nags fed garbled' is the wordplay.
'garbled' is an anagram indicator.
'nags'+'fed'='nagsfed'
'nagsfed' is an anagram of 'FAG-ENDS'.

Can you help me to learn more?

(Another definition for fag-ends that I've seen is " Discarded parts of cigarettes".)

I've seen this clue in the Sydney Morning Herald.
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