I don't know if the Coney Skin song was posted specifically because of the double entendre/euphemism strand which is emerging from this thread (or is it me?), but I had an interesting conversation about this recently. Cunny being a variation on coney, and Puss or pussy being another word for hare, it's interesting that both cunny and pussy have been slang words for ladyparts.

I wonder if it's anything to do with the reputations of rabbits for fertility?

Sorry - back to polite subjects...