An uncommitted person to what they say they will do. This person usually states that they will perform in something, but quits on that idea the next day and tries to do something else, though quitting on that as well, hence the name, "Quick Quitter"
Nicholas: I'm gonna be goth
Trejon: Alright bro, do that
Nicholas (The next day): Nevermind on the goth, i'm going to play basket ball
Trejon: Oh, ok
Nicholas (The Next Day): Never mind Basketball, I want to be a scientist
Trejon: Man you're such a quick quitter.