by LyricaLearn
Entry

  1. Noun

    flat chest; small breasts

    Colloquialsee ぺちゃんこ

    昔はペチャパイだったのに、いつの間にかこんなに大きくなりやがって。
    She used to be flat-chested - just when did she get so large?

Also written ぺちゃぱい、ぺちゃパイ

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