This is a form of the word "Yeeticus" which is a form of the word "yeet" which means to throw or launch something (could be an object, could be an insult) at a very
high speed with great force. The "Yeeticus" is the master of the yeeters in a certain group or area. They are also known as "
Yeeticus Maximus". A Yeedickus is a person who is a Yeeticus but is a right dick about it and likes to brag about it to all their friends, 24/7. They are usually a BigMan.