Brain burn

When a person sees an event or an image that is so horrible they will never be able to forget it.

I walked in on my parents having sex and got instant brain burn!

by Rmc0315 December 26, 2011

Brain Job

The act of getting a brain freeze during a blowjob

hey, baby wanna give me a brain job

by Synyster Stallone November 09, 2010

brain hairs

a long nose hair that is so long it could only have originated from the cranial cavity.

Brandon pulled a hair from his nose and told me to look at his brain hairs...it was at least 2 inches and he placed it on the dashboard infront of me. true story.

by FatBox August 26, 2006

brain gasm

the action of seeing or hearing something so awesome that you grunt like a rutting bull.

I was listening to dubstep the other day and the bass drop was so filthy that I had a brain gasm! ARRRRUGH!!!!

by LOrd braingasmer February 22, 2011

Brain Juices

The juices inside your brain that help you think up words for urban dictionary

"omg I don't know any words, let me use my brain juices gurl"

by Paixx May 06, 2015

brain fuck

1. the point at which your brain is processing so much information that you feel so tired

so much so as if your brain is being fucked/raped by information

2. the point of which something is too hard to comprehend

dude 1: dude, that test was so hard!

dude 2: i got brain fucked.

by s-fly March 19, 2009

herpes of the brain

When someone is so fucking stupid, you think their brain has been infected by a sexually transmitted disease.

Frank, what the fuck are you talking about? You've got some serious herpes of the brain, you fucking twit.

by Mansnake November 06, 2006