Do you know the ways to refer to giant breasts in the Japanese language? In this article, we will analyze the highly sought-after terms Bakunyuu and Kyonyuu.
The ideogram Nyuu [乳] can be translated as milk, but it is also commonly used in words related to breasts in the Japanese language.
This article talks about large breasts, but we also recommend reading about Pettanko, which discusses small breasts. The recommendations follow:
We also recommend reading:
- What does Paizuri mean?
- Pettanko – The crisis of small breasts
- Oppai – The Breasts of Japanese Women

What does Bakunyuu mean?
Bakunyuu [爆乳] literally means “exploding breasts,” and it mainly refers to a subgenre of hentai manga and anime characterized by the giant size of the breasts.
Bakunyuu in media often features gravity-defying and sometimes impossible breasts, with sizes ranging from large to extremely large.
The nipples are often large and protruding, and the areolas are widely expanded. The focus on breast size is often associated with a focus on breast milk.
Bakunyuu scenes often involve lactation and/or breast expansion. In some scenes, the protagonists drink milk from the women’s breasts or have it splashed on them.
This is sometimes done for erotic reasons, but also for practical reasons, such as increasing the woman’s milk supply.
In Japan, the term “bakunyuu” is often used to describe works that are not strictly hentai but feature large breasts.

Bakunyuu Women
Bakunyuu can be a fetish, often presented in Cosplay. When a woman is present in a Bakunyuu genre work, she is usually involved with multiple partners.
Bakunyuu is not limited to manga and anime, nor to genres; it can be present in films, real life, or it can simply be a word to refer to giant breasts.
The term “bakunyuu” is also used in the medical field to describe a condition known as gigantomastia, the abnormal growth of breast tissue.
Although the term “Bakunyuu” is typically used to describe a physical attribute, it can also be used to describe a type of personality.
Bakunyuu women are often seen as confident and sexually aggressive, and they are often the dominant partner in sexual relationships.

Origin and History of Bakunyuu
The first known use of the term “bakunyuu” was in the title of the 1983 manga Harenchi Gakuen by Susumu Ebisawa. In anime, it was in the work Galaxy Express 999 from 1980, in which the character Maetel drinks milk from her mother, Queen Prometheum’s breasts.
The term was also mentioned in the 1985 film “The Man from Nowhere,” in which the character Takeshi Kitano drinks milk from his co-star, Nobuko Miyamoto’s breasts.
What Does Kyonyuu Mean?
The word kyonyuu [巨乳] literally means giant breasts. The ideogram [巨] means gigantic, wide, large, and similar things. Breasts between sizes E70 and G75 are considered Kyonyuu.
The term Kyonyuu can be used to describe both real women and fictional characters. It is often used positively to describe women with large breasts. However, it can also be used negatively to describe women considered sexual objects.
Kyonyuu is a popular term in the anime and manga community. It is used to describe characters with large breasts.
Kyonyuu can also be used to describe a woman who has had breast augmentation surgery. The term kyonyuu is not used in formal or academic contexts, as it is considered somewhat vulgar.
I hope this article has answered your questions about the meaning of bakunyuu and kyonyuu in Japanese. If you liked it, share it with your friends and leave your comments. Here we research even the deepest and darkest things.


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