Brainrot , sometimes spelled brain rot , is a slang term used to describe the effects of being "perpetually online" and consuming large amounts of low-value internet content. Brainrot is a term for excessive online activity that affects mental health and social relationships. Learn the meanings of 40 common brainrot slang words and phrases, such as alpha, doomscrolling, and yeet, and how to cope with this condition. Brainrot is an internet term that refers to a sensation of mental decline, cognitive fatigue, or a deterioration of intellectual and emotional capacities. Brain rot is a condition of mental fogginess, lethargy, and low attention span that can have negative effects on young adult mental health.