There was a song in the late 60s that went something like:
Is that a boy or is it a girl? It should be plain to see as it can be, but is it a girl...
The Barbarians https://www.youtube.com/watch?v=c3TQocdjt9A
Oops
https://www.youtube.com/watch?v=yDpGsFI3WNg
Correct link