While most of our friends use Harry Potter references such as Wingardium Leviosa, Dobby the elf, mudbloods, Alohomora, Lord Voldemort and more, the other chunk that comprises only 10% is clueless looking at each other. The Potter Heads might tease them calling them mudbloods, a term used for commoners in the iconic Harry Potter series which takes you to the world of wizards and witches and merges the line between reality and fantasy.