Leaves female after alfresco frolicking (6,3)

I believe the answer is:

clears off

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'leaves' is the definition.
The definition and answer can be both related to change as well as being verbs in their -s form.
Maybe there's a link between them I don't understand?

'female after alfresco frolicking' is the wordplay.
'female' becomes 'f' (common abbreviation).
'after' says to put letters next to each other.
'frolicking' indicates anagramming the letters.
'alfresco' is an anagram of 'clearsof'.
'f' after 'clearsof' is 'CLEARS OFF'.

Can you help me to learn more?

I've seen this clue in The Independent.

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