Translation guide
A guide to expressing 'anal intercourse' in Japanese, covering clinical terms, common slang, and euphemisms, with notes on politeness and context.
To refer to anal intercourse in a formal, medical, or academic context.
The standard clinical term for anal intercourse. Used in medical documents, sex education, and formal discussions.
Anal intercourse can increase the risk of sexually transmitted infections.
Loanword from English, widely understood but less formal than 肛門性交. Common in educational materials and everyday conversation.
It's important to have accurate knowledge about anal sex.
To refer to anal intercourse in casual, informal, or vulgar conversation.
Short for アナルセックス, used colloquially. Can be considered crude depending on context.
I tried anal with my boyfriend.
Vulgar slang for buttocks; can imply anal intercourse in context. Very crude and often offensive.
Extremely vulgar; avoid in polite company.
To refer to anal intercourse indirectly or euphemistically, often in sexual contexts.
Literally 'use the back', a common euphemism for anal intercourse. Used in adult content and casual talk.
How about we try the back today?
Literally 'do it from behind', can imply anal intercourse depending on context. Ambiguous; often refers to rear-entry vaginal sex.
Context-dependent; may not always mean anal. Clarify if needed.
I like doing it from behind.
Terms like ケツ are extremely vulgar and should be avoided in all but the most informal, private settings. In medical or educational contexts, stick to 肛門性交 or アナルセックス. Euphemisms like 後ろを使う are common in adult media but may sound crude in everyday conversation.
アナルセックス is the loanword and more common in everyday speech, while 肛門性交 is the native clinical term. Both are acceptable in formal writing, but 肛門性交 is preferred in academic papers.
Wanna do it in the butt?