brain rot UK /ˈbɹeɪn ˌɹɒt/US /ˈbɹeɪn ˌɹɑt/ noun3 •The degradation of mental faculties, intelligence, common sense, or moral character.While England endeavors to cure the potato-rot, will not any endeavor to cure the brain-rot, which prevails so much more widely and fatally? — 1854 •(slang) Any form of media content that is deemed to hold little artistic value or negatively impact those who consume it.[…] I remember that I had to stay home and receive a stern lecture on the evils of Tinseltown brainrot. — 1978 •(slang) The state of being obsessed with a particular work of media, particularly to an extent considered to be embarrassing.Jojo^([sic]) brain rot is real because why have I just spent the last 10 minutes thinking who'd be better at parallel parking- — 2024