Translation guide
How to say 'big boobs' in Japanese, from casual slang to more polite terms.
To refer to large breasts in informal, often playful or vulgar contexts.
To describe large breasts in a more polite or neutral way, suitable for general conversation.
The most neutral and polite way to say 'big boobs'. Literally 'chest is big'. Can be used in most situations without sounding vulgar.
彼女は胸が大きいです。
She has a large chest.
To hint at large breasts without being explicit, often using descriptive phrases.
Directly translating 'big boobs' as 大きいおっぱい is grammatically correct but sounds childish or unnatural. Use 巨乳 for slang or 胸が大きい for polite speech.
大きいおっぱい
big boobs (literal, sounds awkward)
巨乳 is the standard slang and widely used in media, but it can be vulgar in formal settings. 胸が大きい is safe for any situation. Choose based on context and relationship.
That girl has big boobs, huh.
Slang for 'explosively big boobs', implying extremely large breasts. More exaggerated than 巨乳. Common in manga, anime, and casual talk.
爆乳のキャラが好き。
I like characters with huge boobs.
Very casual and somewhat crude slang combining デカい (huge) and おっぱい (boobs). Used mainly among close friends or in vulgar contexts.
デカパイって言うなよ。
Don't call them 'huge tits'.
Literally 'abundant chest'. A more formal or euphemistic term, often used in medical or beauty contexts (e.g., breast augmentation).
豊胸手術を受けた。
She had breast augmentation surgery.
Uses the English loanword 'bust'. Common in fashion, lingerie, and measurement contexts. Slightly more clinical than 胸が大きい.
バストが大きいので、ブラ選びが大変です。
Since my bust is large, finding a bra is difficult.
From English 'glamour', used to describe a woman with a voluptuous figure, especially large breasts. Somewhat dated but still understood.
彼女はグラマーな体型だ。
She has a glamorous figure.
Wasei-eigo for 'nice body', implying an attractive figure with curves, often including large breasts. Casual and complimentary.
あのモデル、ナイスバディだね。
That model has a nice body, huh.