You know you’re a Bionicle fan when you have a multipage chart of all the sets/books you don't have.
You know you’re a Bionicle fan when you read all of the novels available at your local/school library(-ies).
You know you’re a Bionicle fan when you've liked nearly every post in this topic.
^ how I answer the phone
(only for people who get it, of course)
Or alternatively, I'll say, "YO YO," and @ManeBionicleGali replies "PIRAKA"