noun
Internet Slang
brain rot
· noun · internet
The mush in your head after too much short-form scrolling.
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Definitions
1
The cognitive haze that sets in from consuming too much low-effort online content. Can't focus, brain feels static, every thought is a meme reference.
“I tried to read a book and lasted four pages — full brain rot.”
by community
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2
The genre of content that causes it: absurdist, looping, deliberately stupid videos — Skibidi Toilet, Italian brainrot animals, fridge-magnet edits.
“My little brother's For You page is pure brain rot, I can't decode a single video.”
by community
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brain rot In A Sentence
I tried to read a book and lasted four pages — full brain rot.
My little brother's For You page is pure brain rot, I can't decode a single video.
Origin & Usage
Thoreau used 'brain-rot' in Walden (1854) as a swipe at intellectual laziness. The modern sense — fried by Reels, TikTok, Skibidi Toilet and the like — took over in the early 2020s and was Oxford's Word of the Year in 2024.
Variants
brainrot
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