A non-formally trained person who claims to be a successful professional writer.
Usually for the purpose of obtaining work and/or to manipulatively influence people around them.
<Person 1> Did you know that woman across the way is a real bub?
<Person 2> No I did not. Which woman are you talking about?
<Person 1> I am talking about that large blonde curly haired woman with the pet rat who boasts about her supposedly successful writing career yet can only has the writing skills of a high school sophomore!