Concerned with kissing in Lou's car? Rubbish! (7)

I believe the answer is:

oscular

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'concerned with kissing' is the definition.
I can't judge whether this definition defines the answer.

'lou's car? rubbish' is the wordplay.
'rubbish' is an anagram indicator (a poor quality or rubbish spelling of the letters).
'lous'+'car'='louscar'
'louscar' is an anagram of 'OSCULAR'.

'in' acts as a link.

Can you help me to learn more?

(Another definition for oscular that I've seen is " Kissing".)

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

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