Translation guide
The English word 'dick' is a vulgar slang term for the penis. This guide covers how to express this concept in Japanese, from medical terms to common slang, and includes related expressions.
The most common English meaning: a vulgar slang term for the penis.
The most common and widely used slang term for penis in Japanese. It is vulgar but not extremely offensive in casual male speech. Comparable to 'dick' or 'cock'.
My dick itches.
Another common slang term, slightly more vulgar or childish than ちんこ. Often used in dirty jokes or among close male friends.
Slang term often used in gay male communities or erotic contexts. Can sound more direct or crude.
The anatomical or medical term for penis, used in formal or clinical contexts.
Euphemistic or childish terms for penis, often used with children or in polite company.
Used as an insult for a contemptible person, equivalent to 'jerk' or 'asshole'.
There is no direct equivalent of 'dick' as an insult in Japanese. Instead, use common insults like クズ (scum), 最低 (the worst), or むかつく奴 (irritating guy). The choice depends on context and severity.
That guy is a real dick.
Slang for a detective, from 'private dick'. This usage is dated and rarely encountered in modern English.
The standard word for detective. No slang equivalent exists; simply use 探偵.
Calling someone ちんこ or ちんぽ as an insult is not natural in Japanese. It would be interpreted literally as 'penis' and cause confusion. Use general insults instead.
He's such a dick.
ちんこ/ちんぽ are casual and vulgar, suitable among friends. ペニス is neutral and can be used in most situations. 陰茎 is strictly medical/formal. Choose based on the relationship and setting.
I got a hard-on.
His dick is big.
The standard anatomical/medical term for penis. Used in textbooks, medical settings, and formal writing.
Learn about the structure of the penis.
The loanword from English, commonly used in sex education, media, and everyday conversation when a less vulgar term is needed. More neutral than slang but less formal than 陰茎.
Many men worry about penis size.
A cute, childish term for penis. Commonly used by parents with young boys or in a playful context. Adding 'お' makes it sound softer.
Wash your wee-wee.
Similar to おちんちん but without the honorific prefix. Still childish but can be used among adults in a joking manner.
Your wee-wee is showing.
What a dick.
He's a private dick.