by backyardchaos September 15, 2009

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

Person 1: "Woah, sans among us!!!"
Person 2: "She's a victim of brain rot. I feel bad for her."
Doctor: "I see. I can't help her. Should we put her down?"
Person 2: "She's a victim of brain rot. I feel bad for her."
Doctor: "I see. I can't help her. Should we put her down?"
by heatfromfire June 19, 2022

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

/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

by Acelus April 13, 2019

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
