Translation guide
The English word 'piss' is a vulgar slang term for urine or urination. In Japanese, there is no single direct equivalent that matches its tone and range of uses. The best choice depends on context: talking about the bodily function, using it as an insult, or expressing anger. This guide covers natural Japanese expressions for each meaning.
I need to piss.
Casual, somewhat crude. Literally 'want to do small business'.
Expressing the act of urinating or the substance itself in a vulgar or very casual way.
The most direct equivalent for 'piss' as a noun or verb. It is crude and casual, used mainly by men. Not as strong as English 'piss' but still impolite in formal settings.
I'm gonna go take a piss.
Childish or very casual word for pee/piss. Used by children or in intimate contexts. Can be used as a noun or with する.
Specifically refers to urinating while standing up, often outdoors. Equivalent to 'taking a piss' in public.
Using 'piss' as part of an angry command or insult, like 'piss off'.
Strong, rude command meaning 'Get lost!' or 'Piss off!'. Used in heated arguments.
Piss off, you bastard!
Describing someone as very drunk, as in 'pissed' (UK slang).
Describing someone as angry, as in 'pissed off' (US slang).
Describing heavy rain, as in 'pissing down'.
Japanese does not have a single word that matches the vulgarity and versatility of 'piss'. 小便 is crude but not as taboo as English 'piss'. Using it in polite company will sound rough but not shocking. For true vulgarity, combine with other strong language or use insults like くそったれ.
小便 is the standard crude word for urine/urination, used mainly by men. おしっこ is the polite/childish word for pee. しっこ is a more casual, childish variant. None carry the exact weight of 'piss', but 小便 is closest in tone.
I'm about to piss myself.
I need to pee/piss.
Don't piss in the street.
Literally 'disappear', equivalent to 'Get lost' or 'Piss off'. Very harsh.
A general insult like 'shithead' or 'piss off' when used as an exclamation. Not a direct translation but conveys similar vulgar anger.
Piss off! / You shit!
I got completely pissed yesterday.
Also means extremely drunk, similar to 'pissed' or 'plastered'.
He's completely pissed.
His attitude pisses me off.
Literally 'comes to the head', meaning to get angry or pissed off.
That really pisses me off.
Slang for snapping or losing one's temper, similar to 'getting pissed off'.
He gets pissed off so easily.
Standard word for downpour. Not vulgar, but equivalent in meaning.
It's pissing down outside.
Onomatopoeic for heavy rain, casual.
It's pissing rain.