Translation guide
A guide to expressing the concept of oral sex in Japanese, covering common terms, euphemisms, and slang, with notes on formality and context.
The general act of oral sex, suitable for formal or clinical contexts.
Neutral, clinical term for oral sex. Used in medical or formal contexts.
口淫は性感染症のリスクがあります。
Oral sex carries a risk of sexually transmitted infections.
Loanword from English, commonly understood but less clinical than 口淫. Used in everyday conversation.
オーラルセックスについて話すのは恥ずかしい。
It's embarrassing to talk about oral sex.
The act of performing oral sex on a man.
Standard term for fellatio. Often shortened to フェラ in casual speech.
彼女は彼にフェラチオをした。
She gave him a blowjob.
Slang term for fellatio, literally 'shakuhachi' (bamboo flute). Vulgar and dated, used in adult media.
The act of performing oral sex on a woman.
Standard term for cunnilingus. Often shortened to クンニ in casual speech.
彼は彼女にクンニをした。
He went down on her.
Common abbreviation of クンニリングス, used in casual conversation.
Informal ways to refer to oral sex in general.
Euphemistic phrase meaning 'to do with the mouth'. Common in casual, intimate contexts.
昨日、彼に口でしてあげた。
Yesterday, I gave him oral.
Verb meaning 'to lick', used as a euphemism for oral sex in context.
Can be ambiguous; context makes the sexual meaning clear.
彼女は彼のを舐めるのが好きだ。
She likes to go down on him.
Direct translations like '口性交' are not natural. Use the terms above depending on context and formality.
フェラ and クンニ are very common in casual conversation, but may be considered crude in polite settings.
そのAV女優は尺八が上手い。
That porn actress is good at giving head.
Many men like giving oral sex to women.