[Betty Jane]

The pineapple is apparently a sign that you are a swinger. I never knew that.

[RummyChick]

I had to look that up

https://nypost.com/2017/06/02/secret-signs-your-neighbor-might-be-a-swinger/

[Amberdawn]

I was told that the Pineapple was a Quaker sign meaning “welcome”, but like the rainbow flag, which used to connote a religious message, it can be taken over by scumbags for disgusting purposes.