We can kiss, perhaps? Absurdity! (9)

I believe the answer is:

wackiness

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'absurdity' is the definition.
Both the definition and answer are singular nouns.
Maybe you can see a link between them that I can't see?

'we can kiss perhaps?' is the wordplay.
'perhaps?' is an anagram indicator (I've seen 'perhaps' mean this).
'we'+'can'+'kiss'='wecankiss'
'wecankiss' with letters rearranged gives 'WACKINESS'.

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

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