How to Say “You Ugly Rat” in Japanese

このドブネズミ
kono dobunezumi
The phrase "you ugly rat" in Japanese is このドブネズミ (kono dobunezumi).
This is an insulting term used to describe someone as disgusting or contemptible. The phrase is used to dehumanize or express extreme contempt for someone, comparing them to a filthy creature living in a sewer.

How does it change in a sentence?

The word この (this) is used here as a demonstrative to direct the insult specifically at the person being addressed, functioning similarly to the English "you" in "you [insult]".

How do you pronounce it?

kono dobunezumi

Did you know?

  • While ドブネズミ is a harsh insult, the general term for rat ネズミ can be a symbol of prosperity and cleverness in the Japanese zodiac. The addition of ドブ completely flips this positive cultural association.
  • In Japanese, the term ネズミ (rat) is often used to describe a spy or a traitor rather than someone's appearance. This shifts the insult from a comment on hygiene to a comment on loyalty.
  • Because of its extreme aggression, you will almost never hear このドブネズミ used in actual Japanese conversation, appearing almost exclusively in scripted fiction like anime or manga.

Examples in context

  • このドブネズミが、消えろ!
    Kono dobu nezumi ga, kiero!
    Get lost, you filthy rat!

Example conversation

Two characters are arguing in a dramatic street confrontation.

  1. 陽太 Yota

    このドブネズミめ!
    Kono dobu nezumi me!
    You disgusting rat!
  2. 結衣 Yui

    ひどい言い方しないで!
    Hidoi iikata shinai de!
    Don't say such horrible things!
  3. 陽太 Yota

    お前の態度は最悪だ。
    Omae no taido wa saiaku da.
    Your attitude is the worst.
  4. 結衣 Yui

    もう話したくない。
    Mou hanashitakunai.
    I don't want to talk anymore.
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Grace Rebekah
Grace RebekahHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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