The message
from "Mike" contains these words:

In Britain only females have a fanny.

Janet

Barrowcloth shows her ignorance again. The Senior Service used the Rum Fanny
for the issue of the Tot of Rum

It is better to look a fool, than to open ones mouth and remove all doubt

Quite - and you ought to take note of that before you shoot your mouth
off. Why do you think it's called a 'fanny'?