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!!!!

brain gasm by LOrd braingasmer March 8, 2011

brain gasm 

An unintentional orgasm without any real stimulation so it's all in your mind.

"Oh emm gee. I totally just had a brain gasm while laying down infront of the fan watching t.v."

brain gasm by Lizbo June 12, 2008

Braingasm 

When you find out some unknown piece of information, and you feel a rush of Intellectual glee. Related to intellectual masturbation, and Brain Jizzing

When Brian read the theory on equilibrium, he had a Braingasm

Braingasm by Seth-The-All-Powerfull June 1, 2010

Brangasm

When you look at Brandon Flowers, just can't contain yourself, and jizz all over the floor.

Person 1: Hey look at this picture of Brandon Flowers' bulge.
Person 2: *on the floor brangasming*

Brangasm by iwanttolickbrandonsface October 1, 2011

braingasm 

n. An intense rush of intellectual fervor or excitement in response to a stimulus such as recognizing a literary allusion in "The Simpsons" or finally understanding how to do that advanced calculus problem or even just anything really cool. Usually accompanied by inability to formulate actual words and an intense enthusiasm about the subject that induced the braingasm.

That geek had the biggest braingasm after she saw LotR:RotK.

braingasm by Keri January 28, 2004

Braingasm 

An orgasm of the brain, something that would be the equivalent of information sex, something that would make a nerd smile in a kind of creepy, happy way.

Nerd 1: Dude, we just got our new Calculus books!

Nerd 2: Alright! Braingasm!

Nerd 1: Yeah, we're so cool

Braingasm by T pizzane March 25, 2009

braingasmic

That which causes a braingasm.

That was braingasmic.

braingasmic by Skip the salubrious January 28, 2008