A phrase used to convey a moment, when someone does something out of either habit or instinct. Not to be used as a joke in front of an actual brain dead person.
by Mentally Screwed March 11, 2022

by Nat big homo June 02, 2019

by anonymous February 09, 2021

Jake Dufner: stop filming me when you come to my house to “apologize” and be a friend and do it man to man
Jeff Swift: does it anyway
Jake dufner: bro your brain dead
All jakes fans: fucking absolutely retarted fat mamas boy.
God damn 😂
Jeff Swift: does it anyway
Jake dufner: bro your brain dead
All jakes fans: fucking absolutely retarted fat mamas boy.
God damn 😂
by Jakes dad June 09, 2019

When you overwork yourself and you can’t focus on anything. Like your head is full of cotton and you’re also tired.
by Rando315 December 23, 2021

by Yo boi chips ahoy March 26, 2020

gage: look at mason, he’s a fuckin idiot hanging out with his cocaine dealers. i wonder if he has brain-dead syndrome?
mason: smh 🤦 ♂️
mason: smh 🤦 ♂️
by himynameismason January 30, 2021
