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What does "a bottom" have to do with coffee? The bottom of the cup? Okay, but that is not what I mean.
I could get into all the details of "bottoms" and how it relates to coffee, but a friend of mine already did it. To make a long story short, I was invited to try a special coffee. This particular coffee has been processed by the digestive system of a cat-like animal called a civet. It eats the fruit, passes out the bean (from it's bottom), and somebody collects the beans to make coffee.
I was one of the special ones who tried it a few years back. I tried it again the other day. You can read all about it here. Many people who have this coffee have to pay big bucks for it. With my special connections, I have been able to try two different cups.