My mum's version was:

There was a little girl,
Who had a little curl,
Right in the middle of her forehead.
When she was good,
She was very very good,
But when she was bad, she was horrid!

Oh wow. I learned that from Bugs Bunny.

Yar is also a PC that rolled a nat 20 on a joke investigation check to see if the android was anatomically correct.

GM: "Oh yes. Data is also fully functional and programed in multiple techniques. A broad variety of pleasuring..."

Yar: "Oh! You jewel, that's exactly what I hoped!" I grab data and pull him into the room.

GM: Due to their intoxication, the crew is unbothered by the sounds of destruction coming from Lt. Yar's quarters. Data, you take four points of bludgeoning damage, two points of force damage and two points of piercing damage.