I see your Tuppence Middleton and raise you Lawrence Eagleburger.
You’re discussing posh people. They aren’t real.
It’s especially weird considering that when I was young older British people used it as a polite euphemism for vagina.
“Tuppence”? seriously?
Yep.
Edit: In fact, to verify this wasn’t just some sort of slang specific to my older relatives I did a quick search for “tuppence slang” and was immediately confronted with numerous newspaper op-eds so awful I never want to read anything ever again.

For verification only, major cognitohazard, NSFW discussion, unbearable cringe

Penis and Vagina sound like partners in an adversarial law firm
if I hadn’t clicked through I would have missed the illustration

They did? I thought it was “minge”
Minge is more modern as far as I’ve ever heard and definitelya lot ruder.
There are many British slang words for genitalia.






