Small Brain

"Small Brain" is an insult that implies that the person it's being attributed to has a small brain

That was small brain move, Ryan.

by Limess January 1, 2020

spliff brain

Someone who smokes weed non stop

Woah bro your such a spliff brain

by Lm1815 June 24, 2018

Guy Brain

The secondary brain that all men have that controls their sexual urges. It often overrides the primary brain.

I'm sorry baby. I must have been thinking with my guy brain instead.

by Tyronius Nomis December 20, 2010

nut brain

Feeling mental after busting a fat nut

"Sorry Mrs. Lewis, I can't do todays equations due to my severe nut brain."

by boogerhooker April 20, 2018

Brain Splinter

Song or Thought stuck in your head all day

That darn song has been my 'Brain Splinter' all day & I can't get it out

by PinkMinkPrincess June 3, 2015

Cum brain

When you’re in a mental state of horniness and you can’t think straight. Usually the stage before post nut clarity.

Sarah: *out of breath* Did you say you loved me?!?
Bobby: *also out of breath* Oh shit my bad I had cum brain. Sorry I wasn’t thinking straight.

by iamanthonydean January 15, 2021

brain one

the most basic intelligence

If you have brain one you should know that evolution is an integral part of science.

by The Return of Light Joker October 28, 2011