Translation guide
How to talk about erections in Japanese, from medical terms to casual slang.
Referring to the physical state of an erect penis, in neutral or medical contexts.
The standard medical/neutral term for an erection. Used in formal, written, and clinical contexts.
Having an erection in the morning is a sign of good health.
Literally 'to stand', a common euphemism for getting an erection. Casual but not vulgar.
I got a bit of an erection.
Literary/formal term for 'standing erect', sometimes used for erections in written works.
The statue depicts a male erection.
Casual, often crude ways to refer to an erection among friends or in informal media.
Slang derived from 勃起, often used in manga/anime or casual male speech. Can be vulgar.
My boner won't go down.
Onomatopoeic slang for a very hard erection. Often used in a playful or vulgar way.
Similar to ギンギン, onomatopoeic for a stiff erection. Slightly less intense.
Very crude combination of 勃起 and チンポ (dick). Highly vulgar.
Extremely vulgar; avoid in polite company.
Don't show off your hard dick.
Describing the state of having an erection, often with verbs or adjectives.
Talking about the inability to get or maintain an erection.
Direct translations like 'エレクション' are not commonly used in natural Japanese. Stick to the terms above depending on context.
勃起 is safe in medical or formal writing. 立つ is a common euphemism in casual speech. Slang like ギンギン is very informal and can be crude.
朝からギンギンだよ。
I'm rock hard since morning.
ビンビンになってる。
I'm getting hard.