Crossword Genius

Chiseller knocks back the celebrities (4)

Ross

I believe the answer is:

spiv

I'm a little stuck... Click here to teach me more about this clue!

'chiseller' is the definition.
The definition and answer can be both people as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'knocks back the celebrities' is the wordplay.
'knocks back' shows that the letters should be reversed in order (I've seen 'knocked back' mean this).
'the celebrities' becomes 'vips' (I've seen this before).
'vips' written backwards gives 'SPIV'.

Can you help me to learn more?

(Other definitions for spiv that I've seen before include "Shady salesman" , "Sharp operator" , "Swindler" , "Flashy dresser who makes a living by dubious means" , "Flashy black-marketeer" .)

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