クズ (kuzu)
What does クズ (kuzu) mean? クズ (kuzu) is a Japanese severe that translates to “trash / scum / piece of shit” in English.
Literal Translation
trash / rubbish
Meaning & Usage
"trash / scum / piece of shit"
Denotes moral worthlessness. 'Kuzu otoko' (scum man) describes cheating, lying men.
Examples in the Wild
クズ男 (Kuzu otoko - scumbag man)
When to Use It
Context
- Expressing strong frustration or emphasis
- Only among very close friends who share this register
- Direct confrontation (use with caution)
Avoid
- Professional or formal settings
- Around elders or authority figures
- Public spaces — will cause genuine offense
- Job interviews, meetings, or customer-facing situations
Cultural Context
Moral judgment stronger than 'kasu.' Used for people with bad character—cheaters, thieves, abusers. 'Kuzu' is modern internet slang for 'trash person.'
More in Japanese 🇯🇵
View all →まんこ (manko)
“cunt / pussy”
Crude slang for female genitalia.
ちんこ (chinko) / ちんぽ (chinpo)
“dick / cock”
Childish to vulgar slang for penis. 'Chinchin' is childish; 'chinpo' is vulgar.
スケベ (sukebe)
“lech / pervert / horny bastard”
Person with excessive sexual interest, lecherous person.
嘘つき (usotsuki)
“liar”
Person who tells lies.
ばばあ (babaa) / じじい (jijii)
“old hag / old fart / geezer”
Derogatory terms for elderly women (babaa) and men (jijii).
野郎 (yarou)
“bastard / jerk / guy (derogatory)”
Originally meant 'fellow' or 'guy,' now derogatory masculine suffix.
手前 (temee)
“you bastard / you piece of shit”
Slurred, aggressive version of 'te-mae.' Extremely confrontational second-person pronoun.
黙れ (damare)
“shut up / shut the fuck up”
Imperative form of 'damaru' (to be silent). Direct command to stop talking.