Surely you know many people with some kind of phobia, right?A phobia can be defined as an anxiety disorder characterized by an irrational fear of a specific stimulus. Fear of heights, spiders or closed spaces are some of the most common phobias. What you may not know is that there are almost 500 different phobias, some of them very rare. Do you want to know some of them? Read on because here we have 7 weird phobias that you didn’t know existed.