Wednesday, January 31, 2018

Breast Sizes

WIP : this article is incomplete and might change in the unforeseeable future.
For reference, terms for breasts sizes in Japanese, and related vocabulary.


It's also possible to describe breasts with adjectives instead of terms.
  • mune ga nai
    [Her] chest is nonexistent. (literally.)
    [She] doesn't have breasts.
  • mune ga chiisai
    [Her] chest is small.
  • mune ga ookii
    [Her] chest is large.
  • mune ge dekai
    [Her] chest is huge. (slang.)

For other words that can refer to "breasts," see oppai おっぱい.
  • oppai ga ookii
    [Her] breasts are large.
  • chichi ga dekai
    (pretty much same meaning.)

For the grammar behind these phrases, see double subject constructions.


The slang chippai ちっぱい means "small breasts," chiisana oppai 小さなおっぱい.


The slang dekapai でかぱい means "large breasts," dekai oppai デカいおっぱい.

Cup Sizes

To refer to the "cup" size, the katakanization kappu カップ is used, plus a katakanized alphabet letter. For example:
  • ei-kappu
    A cup.
  • bi-kappu
    B cup.
  • shii-kappu
    C cup.
  • dhii-kappu
    D cup.
  • ii-kappu
    E cup.
  • jii-kappu
    G cup.
  • eichi-kappu
    H cup.

An assortment of different-sized cups.
Anime: Sunohara-sou no Kanrinin-san すのはら荘の管理人さん (Episode 1)


The term munyuu 無乳, literally "nonexistent breasts," "no breasts," refers, as one would expect, to someone who pretty much doesn't have breasts at all.

AAA-cup to AA-cup.


The term hin'nyuu 貧乳, "poor breasts," "meager breasts," is the most common term to refer to someone who has "small breasts," is "flat-chested."

B-cup and smaller.

貧乳はステータスだ 希少価値だ
Anime: Lucky☆Star, らき☆すた (Episode 4)


Th term binyuu 微乳, "delicate breasts," also refers to "small breasts," but it doesn't sound as offensive as the other terms.

B-cup and smaller.


The term funyuu 普乳 means "normal breasts," or "common breasts." It's not very common, because generally people talk about large breasts or small breasts. Nobody makes a point in talking about average breasts.

C-cup to D-cup.


The term kyonyuu 巨乳, "huge breasts," "giant breasts," is the most common term to refer to "large breasts" in general. It's basically the antonym of hin'nyuu.

E-cup to G-cup.


The term kakure kyonyuu 隠れ巨乳, "hidden large breasts," refers to someone who appears to have smaller sized breasts due to the clothing they're wearing, but when they take those clothes off—for example, when wearing a bikini—their breasts are bigger than you thought.


The term kogara kyonyuu 小柄巨乳, "small-body-size large breasts," refers to someone who is petite but has large breasts.


The term rori kyonyuu ロリ巨乳, "loli large breasts," refers to a loli character who has large breasts. The English term for this is "oppai loli."


The term bakunyuu 爆乳, "explosive breasts," refers to extremely large breasts.

G-cup and above.


The term manyuu 魔乳, "demon breasts," is often used toward a large-breasts "witch," majo 魔女, character. The term majo can also refer to an old woman.

The term manyuu also means "witch's milk," which is milk secreted from a newborn.


The term chounyuu 超乳, "super breasts," is used toward illustrations and edited images featuring physically impossible, gigantic-sized breasts.

For example, breasts that touch the floor are chounyuu.


The term bounyuu 膨乳, "expanding breasts," refers to a scenario where a character's breasts grow in size. The English term for the same scenario is "breast expansion."

A character simply being drawn with large breasts, without any expanding process happening, is called kyonyuu-ka 巨乳化, "large breast-fication." With small breasts hin'nyuu-ka 貧乳化.


The slang sentakuita 洗濯板, literally "washboard," refers to someone who has a flat chest. Often used derogatorily in anime.

A washboard has ridges on it, so this slang is SUPPOSED to mean the person is skinny enough that you can see her ribs between her small breasts, under her collarbone.

In practice, however, anime characters called sentakuita don't really have visible ribs.

Visual representation of derogatory terms toward breast sizes.
Left: Hestia ヘスティア (cow)
Right: Loki ロキ (washing board)
Anime: Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka ダンジョンに出会いを求めるのは間違っているだろうか (Episode 2)


The term mana-ita まな板 means a "cutting board," the sort used to cut meat, vegetables, for cooking. It's a another term to refer to flat-chested characters. Unlike a washing board, a cutting board doesn't have protrusions, so it doesn't imply a skinny, bony chest.

Mile マイル, Adele von Ascham アデル・フォン・アスカム. example of chest flat as a "cutting board," manaita まな板.
Character: Mile マイル
Anime: Watashi, Nouryoku wa Heikinchi de tte Itta yo ne! 私、能力は平均値でって言ったよね! (Episode 2)


Th term Shinderera basuto シンデレラバスト, literally "Cinderella bust," is an uncommon term for someone with small breasts.

AAA cup to A cup.


The less common term is toranjisuta guramaa トランジスタグラマー, literally "Transistor glamour," refers to someone who is short and has large breasts.

The term "glamour" used to be used toward people with a hourglass cheap, large hips, tiny waist, large breasts. And it was thought tall height was required for a woman to have such "glamour."

The term "transistor" was then coined for short women who were meaty enough to met said glamorous expectations
oppai おっぱい

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