song allusions you didn't get till much later

talk about times when you found out what something meant/alluded to long after a song was already deeply ingrained in your consciousness

the impetus for this thread is as follows:

i went to the nude beach in miami this week (as usual), and when i got there a "naturlist" group was having a festival - and handing out a magazine of theirs to everyone as they went through the walkway to enter the beach. i decided to thumb through the magazine later on, and ran across an article talking about (what else?) nudity, specifically female genitalia and the oppression of its exposure through history. but as i'm reading this article, i run across a reference to an ancient irish stone carving that depicts a woman spreading her legs and exposing a widely spread vagina that was "meant to be menacing and frighten away potential attackers". it often was carved crudely on the walls of ancient castles and historically equated female genitals with power and danger....

it's name? the "Sheela-na-gig"

while this may be common knowledge to many of you, i was like "WHOAH!" when I was reading it, because all these years I've been a PJ Harvey fan and never really thought to investigate the strange and funny title any further...