As much as I enjoy masticating in public with condiments, that's one more thing I tend to forgo.....
In 1973 I was in a Bob's Big Boy burger joint (? remember those ?) and noticed the ketchup bottle had a
tampon jammed in the neck.....

.
Someone had a really sick sense of humor .
My old high school chum was the Manager so I called him over and handed it to him .