noun
brain rot; brainrot
Internet slang for the perceived decline in mental sharpness from consuming too much low-quality online content, especially short-form videos and social media.
TikTokばかり見てるとブレインロットになるよ。
If you keep watching nothing but TikTok, you'll get brain rot.
最近、ブレインロットって言葉をよく聞く。
Lately I hear the word 'brain rot' a lot.