Gossip with sexier guy in a boiler suit? (3-6)

I believe the answer is:

gas-fitter

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'guy in a boiler suit?' is the definition.
The definition and answer can be both people as well as being singular nouns.
Maybe you can see an association between them that I can't see?

'gossip with sexier' is the wordplay.
'gossip' becomes 'gas' (I've seen this before).
'with' means one lot of letters go next to another.
'sexier' becomes 'fitter' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'gas'+'fitter'='GAS-FITTER'

Can you help me to learn more?

(Another definition for gas-fitter that I've seen is " Workman".)

I've seen this clue in The Independent.

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