Last Updated：2025/12/07

(slang, derogatory) The degradation of mental faculties, intelligence, common sense, or moral character.

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brain rot

Source Word

brain rot

derogatory slang uncountable

(slang, derogatory) The degradation of mental faculties, intelligence, common sense, or moral character.

Japanese Meaning

脳の退化・衰退 / 知性や常識の劣化 / 精神や道徳性の低下

After weeks of bingeing on clickbait videos, he joked that he had developed brain rot.

数週間クリックベイトの動画を見続けた後、彼は自分の脳の劣化が進んだと冗談めかして言った。

Sense（1）

(slang, derogatory) The degradation of mental faculties, intelligence, common sense, or moral character.

Sense（2）

(slang, derogatory) Media deemed to hold little artistic value and/or negatively impact those who consume it.