Someone who isn't me hung around on 4chan a lot back in the day. Indeed, there was an effort across the boards to disseminate heuristics to determine which one

Someone who isn't me hung around on 4chan a lot back in the day. Indeed, there was an effort across the boards to disseminate heuristics to determine which one was the already-known word and which one was to be parsed by humans. The agreed-upon procedure was identify the latter as "penis".