Brain 

The thing that controls you and has a mind of its own (no pun intended). It can mess with you and just make you say dumb things in front of hot girls.

Jim: Hey wassup pretty gal.
Hot girl: What?!
Jim: Dammit my stupid brain...

Brain by hotgirlladykiller2 August 12, 2012

Brain Leak 

When something you ment to think in your head comes out loud, creating a rather awkward situation.

Guy 1: I totally brain leaked last night while screwing my girlfriend

Guy 2: Aww man what you say?
Guy 1: Accidently said "Battenburgs are what make my life complete" about 7 minutes in
Guy 2: I'm Surprised you last 7 minutes

Guy 1: Wait what?
Guy 2: Sorry Brain Leak

Brain Leak by AshleysMexicanDick October 24, 2014

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

Brain Splinter by PinkMinkPrincess June 3, 2015

Brain Diarrhea 

A severely worse version of a brain fart. When you do or say something extremely stupid or forget something everyone and their mother knows.

Dude, when I was taking that test, I had a really bad brain diarrhea.

Brain Diarrhea by Commander Jacob August 27, 2017

Braindead 

Adam O’Neil

Hey you are Adam O’Neil stupid! Completely Braindead

Braindead by UGC FXCK JCB February 25, 2018

Brainal 

When an intellectual makes you think so hard it feels like your brain is being penetrated

Russ: "I wanna fuck the shit of you ... mentally"
Girl: "Yes please brainally penetrate me daddy"

Brainal by Joosy June 2, 2018

brain fart 

An epiphany

Dave had a brain fart today, which in turn made Zach's job easier.

brain fart by QueenElizaqueef69 August 2, 2018