My best friend's family have a family 'joke', which she originally told me about when we were about 12/13. When she originally told me she didn't get the joke either, but then later did manage to work it out. When she first met her now husband he didn't get it, but he later also worked it out. I have never managed to get it, and every now and again I will remember the saga of this joke (this has been going on for about 20 years now), try desperately for a few days to work it out and then forget all about it for months.
Anyway, I wonder if the powers of mumsnet can either locate someone who has heard this 'joke' before, or who can work it out!
The joke is:
'There once was a man called Boswell. For short they called him Bos, and he walked up the post office steps.'
The joke is definitely NOT that there is no joke, and they're all having a laugh at me for trying to work it out - I am 100% confident of this.