# brain rot

CEFR C1 · Noun

Source: https://englishreference.com/word/brain-rot
Updated: 2026-08-14

## Definition

the idea that spending too much time on low-quality, silly, or unimportant content (especially online) makes your mind weaker or less sharp. You might joke about having 'brain rot' after watching hours of goofy videos.

For teachers: a perceived mental or intellectual decline resulting from the excessive consumption of low-quality or trivial online content. An informal, pejorative noun phrase.

## Examples

- I feel like all these short videos are giving me brain rot.
- My screen time report is embarrassing; it’s five hours of pure brain rot from scrolling on social media.
- Critics argue that the algorithmic push toward viral but shallow content accelerates a culture-wide brain rot, weakening our collective ability for deep, focused thought.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.