A person who hates a show, video game, or other medium and ususally assumes the fans of any of these are moronic, though not knowing all of them. Most fanhaters come off equally as obnoxious as fantards.
"I hate animu!!11 All teh fanz iz weeaboos nd stoopid!! I'm so edgy and original!! I'm nut a troll or a fanhater! Mah opinions iz moar valid!11 >:|"