Birds and bees (bit naughty)

[rebbonk]

The teacher was telling the kids about the birds and the bees and she explained that when a man and a woman meet and fall in love, nine months later the stork usually brings them a little baby from its nest.

Little Gemma at the back of the class put her hand up and asks the teacher "Are you sure about the stork, Miss? I think you're getting your birds mixed up 'cos my big sister just got a little baby and she said it was from

Spoiler:

a shag..."