noun
anime freak; otaku obsessed with female characters
Derogatory internet slang for a person, typically male, who is overly obsessed with female anime and video game characters. Often used in online communities to mock excessive otaku behavior.
See also: 萌え豚
あの掲示板にはアニ豚がたくさんいる。
That forum is full of anime freaks.
彼はアニ豚だから、休日はずっと美少女アニメを見ている。
He's such an anime freak that he spends his days off watching cute-girl anime.