fanfic /ˈfænfɪk/noun 2verb 2forms 3 noun2 •(informal) Fan fiction. •(informal) A work of fan fiction. verb2 •(informal) To write fan fiction.I haven't seriously fanficced in years, and I'm aware of what the exercise requires in terms of structure and theme etc. — 1998 •(informal) To write fan fiction about (something). formsfanficced · fanficcing · fanfics