Translation guide
A guide to expressing the concept of anal sex in Japanese, covering direct terms, euphemisms, and contextual usage.
To refer to anal sex in a medical or formal context.
The standard clinical term for anal intercourse. Used in medical or educational settings.
Anal sex can increase the risk of sexually transmitted infections.
Loanword from English, commonly understood but less formal than 肛門性交. Used in casual conversation or media.
It's important to have accurate knowledge about anal sex.
To refer to anal sex in informal, colloquial, or sexual contexts.
Short for アナルセックス. Very common in casual speech and adult content. Can also mean 'anus'.
She likes anal.
Literally 'back', used as slang for anal sex, often in the context of sexual positions. Can be ambiguous (may refer to rear-entry vaginal sex).
Can also mean rear-entry vaginal sex; context clarifies.
Vulgar slang for 'ass'. Used in phrases like ケツでする (to do it in the ass). Very crude.
To refer to anal sex indirectly, often in polite or ambiguous contexts.
Literally 'use the back'. A common euphemism for anal sex.
Can we do it in the back today?
Literally 'do it anally'. A straightforward but slightly softer way to say it.
It's my first time doing it anally.
Literally 'do it with the butt'. A milder, somewhat childish euphemism.
Doing it in the butt seems painful.
To refer to anal sex specifically between men.
Literally 'homo sex'. An older term, now often considered derogatory. Use with caution.
Can be offensive; ゲイセックス is preferred.
They enjoyed gay sex.
Standard term for gay sex, which typically implies anal sex but not exclusively.
Let's discuss safe practices in gay sex.
Historical/literary term for male homosexuality, often implying anal intercourse. Rare in modern speech.
Direct translations like 'anal sex' as 肛門のセックス are unnatural. Use the terms provided.
肛門性交 is clinical; アナルセックス is neutral; アナル is casual; ケツ is vulgar. Choose based on context.
バックでする？
Wanna do it from behind? (implying anal)
Let me do it in your ass.
江戸時代には男色が盛んだった。
During the Edo period, male homosexuality was prevalent.