Badficcer

A badficcer is someone who writes badfic. Badficcers may include Suethors and badslashers. The former write fanfic that includes an Original Character that is deemed a Mary Sue by most readers. The latter write fic about usually two male canon characters that inexplicably engage in a homosexual relationship (called slash) and have bad sex.

These author-types are also often known as fangirls or fanbrats and less often as fanboys.