Translation guide
The act of sexually stimulating oneself. In Japanese, the most common and neutral term is 自慰 (jii), but in casual conversation, オナニー (onanii) is widely used. There are also slang terms and euphemisms.
To refer to masturbation in a neutral, clinical, or formal context.
The standard, neutral term for masturbation. Used in medical, educational, or formal settings. Can be used for all genders.
自慰は健康に悪影響はありません。
Masturbation does not have negative health effects.
Literally 'self-comfort act'. A slightly more formal or technical phrase, often used in legal or academic contexts.
自慰行為は個人のプライバシーに関わることです。
Masturbation is a matter of personal privacy.
To talk about masturbation in everyday, informal conversation.
From German 'Onanie'. The most common casual term, used by all genders. Not vulgar, but informal.
昨日、オナニーしすぎて疲れた。
I masturbated too much yesterday and got tired.
To use male-specific slang for masturbation, often crude or humorous.
Slang for male masturbation. Literally 'thousand rubs'. Crude and masculine.
あいつ、またせんずりしてるよ。
That guy is jerking off again.
Verb meaning 'to jerk off'. Derived from the sound 'shiko shiko'. Very casual and male-oriented.
昨日、3回シコった。
I jerked off three times yesterday.
Slang phrase meaning 'to masturbate' (male). マス is short for マスターベーション. Somewhat dated.
彼は毎日マスをかいているらしい。
Apparently he masturbates every day.
To use female-specific slang for masturbation.
Cute-sounding slang for female masturbation, derived from オナニー. Used mainly by young women online.
おなてぃって気持ちいいよね。
Masturbating feels good, right?
Literally 'clit touching'. Explicit slang for female masturbation focusing on clitoral stimulation.
クリいじりが好きな女の子も多い。
Many girls like touching their clit.
To refer to masturbation indirectly or playfully.
Literally 'to do it alone'. A common euphemism understood from context.
昨日、久しぶりに一人でした。
Yesterday, I did it alone for the first time in a while.
Literally 'to comfort oneself'. A softer, more literary euphemism.
彼は自分を慰めることが習慣になっている。
He has made a habit of comforting himself.
Slang verb meaning 'to ejaculate' or 'to masturbate' (male). Often used in phrases like 一発抜く (to jerk off once).
ちょっと抜いてくる。
I'm gonna go jerk off real quick.
Many slang terms are strongly gendered. せんずり and シコる are exclusively male, while おなてぃ is female. Using the wrong term can sound strange or humorous. In mixed company or polite conversation, stick to 自慰 or オナニー.
In very casual conversation, the act may be implied without a direct word. For example, 'I did it' (した) can be understood if the topic is clear.
Loanword from English. Less common than オナニー, but understood. Can sound slightly more clinical or euphemistic.
マスターベーションの頻度は人それぞれです。
The frequency of masturbation varies from person to person.