When you play World of Warcraft (or another video game) so long that your head hurts and you feel groggy.
Man I can't do my homework anymore. I shouldn't have played for 6 hours today... guessing I have a case of wow brain.
by Karab okama October 11, 2016

Mom: “You didn’t wash the dishes, you can’t go out for the rest of the week.”
Kid: “God mom you’re being such a Muff Brain!”
Kid: “God mom you’re being such a Muff Brain!”
by Wrinkly old man69 September 12, 2018

by Acelus April 13, 2019

/noun/ an expression used for a person currently undergoing brain loading and is unable to process anything as of the moment.
by ineedadiamondring October 9, 2021

Flat Brained (Flatius Branium) is a common condition where the victim goes into a nearly catatonic state and shows no signs of brain activity, unable to achieve basic cognitive thought and anything above basic involuntary muscle work. Victims tend to constantly say and do utter nonsense and continue to do such until their vital organs eventually shut down.
by GoldJohnnyBoi March 20, 2020

A small brain with thought processes only involving large amounts of sex with trashy, lip glossed, skanky womenz with massive mammary monuments. Unable to comprehend basic internet questions but ideal for beer drinking, playing video games, and making fun of losars on the net.
WARNING: Dinobot brain results in repeated conversations with IM sexbots.
WARNING: Dinobot brain results in repeated conversations with IM sexbots.
"this is beyond the ability of my tiny dinobot brain"
DINOBOT BRAIN SIDE AFFECT:
"oh hey there you little minx...you are a hot blonde 18 year old nawtie girl and you like having sex all day huh? wow you sure are hot HOLLA"
DINOBOT BRAIN SIDE AFFECT:
"oh hey there you little minx...you are a hot blonde 18 year old nawtie girl and you like having sex all day huh? wow you sure are hot HOLLA"
by cold March 2, 2005

This orginated somewhere in Melbourne, Australia and is used to make people believe in what you are saying . its basically the same as 'mums life'
by Nigga off that henny June 21, 2021
