A girl's pleasures, not quite right for boys (4)

I believe the answer is:

joys

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This clue might be a double definition.

'a girl's pleasures' is the first definition.
'joys' can be an answer for 'pleasures' (I've seen this in another clue). I am unsure of the 'a girl's' bit.

'not quite right for boys' is the second definition.
Although both the answer and definition are plural nouns, I can't understand how one could define the other.

Can you help me to learn more?

(Another definition for joys that I've seen is " Delights".)

I've seen this clue in the Evening Standard.

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