Two Scaleybrat/NAAFI stories, the second one has 'connotations' but occurred with childhood innocence.
Wyton in the early eighties
My mate's missus in the queue at the Families NAAFI with sprog. Checkout lady exchanging pleasantries with the customer, when the toddler leans forward and says -
'I've got a secret'
'Have you?' says the checkout lady 'But a secret shared, is a secret halved'
'But I've got a secret'
'If you tell me, it won't be a secret anymore, will it?'
Toddler ponders for a moment
'I went downstairs last night and saw Mummy kissing Daddy's willy'
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(Second story deleted by Mods)