fish-brained 

Having very short term memory.

From 50s Britannia Episode 1: Rock 'n' Roll Britannia. "They (UK record executives) were very much geared towards making records the either were going to appeal to an adult audience and, therefore, might have a slightly longer shelf life, or were going to appeal to young people, who were notoriously fish-brained and they would forget something within two minutes..."

fish-brained by sfemet September 30, 2013

sloppy brain 

When A girl sucks you off and spits all over your dick and is sloppy when she sucks you off.

I went round Swifts house to play A bit or Ark, His mum gave me sloppy brain in the shed. Whilst police daddy watched me.

sloppy brain by Charlie24912491 October 1, 2017

nathan brain 

A person with a very small brain and is retarded.

That guy has a nathan brain.

nathan brain by Cool kid for short July 23, 2019

Big brain energy 

When a person has all the smartical particals and just comes up but the best and often most logical answer to a predicament.

Person 1: wow I never thought about it like that

Person 2: yeah that’s big brain energy right there

Big brain energy by Gregggyboii September 10, 2020

caveman brain

When someone manages to use less brainpower than physically capable.

Man 1: Hey, what's 27 + 3?
Man 2: 31
Man 1: Do you have a caveman brain?

caveman brain by negrotoned_ January 12, 2021

Pudd'n brain 

What one has when the party is over and/or running out of drugs;Can screw up ones ability to speak or have a conversation,.can not think of anything to say.

1:You ok dog?
2:Yeah.. Weekend, Party'ed.. F'ed up.. Got Pudd'n brain. Jus chill'n
1:Word..Tru,tru.. Thats cool...

Pudd'n brain by pillsberry December 19, 2008

get a new brain 

dissatisfaction with ones' own, or anothers mental performance. -suggestion that in this time of 'transplants', one could procure a new 'mind' somewhere, and make out a bit better!

when i closed the patient up, i left a saw inside; i'm going to have to get a new brain, or lay off the PCP!!

-going to hit a yard sale and get me a new mind!

she needs to get a new brain!!

-this brain won't 'hop' when i bark orders, i need to get a new brain!

get a new brain by michael foolsley February 6, 2010