When someone's brain deteriorates over time due to alcohol/drugs/sleep deprivation, etc. Symptoms of oatmeal brain: memory loss, impaired motor function, slurred voice, stumbling, slow speech.
by PinkPanther13 May 28, 2018

by ultimatefailure April 27, 2017

To lack intelligence and the common sense of direction like the workers at the Cross Lake, MN Subway.
Customer - I would like a six inch spicy Italian with no tomato.
Subway Worker - One six inch spicy Italian with extra tomatoes.
Customer - Subway Brains.......
Subway Worker - One six inch spicy Italian with extra tomatoes.
Customer - Subway Brains.......
by Fisher-Z June 2, 2015

A female who has gotten by on her good looks, and a great set of tits, at the expense of an education. A play on shit for brains.
Danni is so hot, but I can't stand to be in her presence. She has tit for brains, and her ignorance is a real turn off.
by Anony_mouse_776 November 29, 2010

When your brain can't comprehend easy things, such as a simple joke . You will not have good ideas and your shower thoughts are lame as hell. People dislike you for unintelligent mind and call you stupid for your misinterpretation on things. You will use big words to make you sound smart. As an example, I am smol brain.
by bigfatjuicyrat December 14, 2020

A girl that remembers every detail of her life... and yours.
Also referred to as the scary brain girl.
Usually named Hannah.
Also referred to as the scary brain girl.
Usually named Hannah.
by Chiefmasterflex June 2, 2021

Intentionally, hanging out with stupid people to feel smart.
OR
Performing simple tasks to feel a sense of accomplishment.
Similar to the act of masturbation. Doesn't serve a purpose besides pleasure.
OR
Performing simple tasks to feel a sense of accomplishment.
Similar to the act of masturbation. Doesn't serve a purpose besides pleasure.
"I heard you were dating that blonde right there."
"That one's kinda dumb; so makes me feel real smart!"
"HAHA! You brain fapping lil bastard!"
"That one's kinda dumb; so makes me feel real smart!"
"HAHA! You brain fapping lil bastard!"
by lyfnNightVision March 23, 2013
