What is Smackfic?
1.
A work of fan-fiction written to express the author's dislike of a character or characters from the canon source. Typically this will involve exaggerating the traits or habits that the author dislikes in the characters, and ensuring that these have negative effects
John disliked Akane Tendo, a character from Ranma 1/2, because he thought she jumped to conclusions too often. He wrote a smackfic in which Akane jumped to the conclusion that she was a walrus and jumped into the ocean to return to her native habitat.