Derpitis (disease)

Derpitis is a disease that will make you derpy if you have a derpy friend.

Effects
To get Derpitis, you cannot be a derp and you must have at least one derpy friend. Derpitis is also only catchable in the Fall in October. The friend must be derpy near you and troll you. After, the victim will get derpy eyes and become a derp. They won't try to make anyone else derpy. Nobody that is already derpy will not catch Derpitis.