I'm currently reading an old novel and came across an interesting word which was apparently once common slang in Japanese but which is now seemingly largely forgotten and long out of use. I found unmistakable visual evidence that the word is known by at least some young speakers of Japanese, though.
The word is 姑娘.
Can you read it?
Here is the visual evidence. (Quite frankly, this whole post is just a ruse for showing the pictures):