萌もえ豚ぶた

Meanings

anime freak; otaku obsessed with female characters

derogatoryslang

Derogatory slang for someone excessively into moe, especially female anime/game characters. Often used self-deprecatingly within otaku circles or as an insult.

あいつは萌もえ豚ぶただから、フィギュアばかり買かってる。
That guy is such an anime freak; he's always buying figurines.
自じ分ぶんでも萌もえ豚ぶただと思おもうけど、やめられない。
I think I'm a moe pig myself, but I can't stop.

Kanji

萌show symptoms of, sprout, bud
豚pork, pig

Related words

オタク
オタク is a broader term for any obsessive fan, while 萌え豚 specifically targets those obsessed with moe (cute female characters) and carries a stronger derogatory tone.
萌もえ
萌え is the feeling of affection toward fictional characters; 萌え豚 is a person consumed by that feeling.

Built from

萌もえる+豚ぶた

Written forms

萌もえ豚ぶた
Standard spelling with okurigana.
萌もえ豚ぶた
Abbreviated spelling without okurigana; less common but still used.

Etymology

Compound of 萌え (moe, 'budding affection toward fictional characters') and 豚 (buta, 'pig'), implying a person who indulges in moe like a pig. The exact origin is uncertain, but it emerged in online otaku communities as a derogatory label.