The phrase "banana eater's discard" refers to the peel of a banana that has been consumed. If you are tired of using the same phrase over and over again, there are multiple synonyms to replace it. For instance, you can describe it as a banana skin, banana husk, banana rind, or banana shell. A more casual way to refer to it is simply as a banana peel. To add a touch of humor, you could call it a banana jacket, banana wrapper, or even a banana slip. Whatever you choose to call it, using synonyms for the phrase "banana eater's discard" will make your language more diverse and interesting.