to kill someone and then... well... you get the picture.

one step above insanal

2 steps above cranal
guy 1: do you know anything about the dead girl on your bed, bro?
guy 2: yea... it was brainal...
guy 1: not bad

*high fives*
by JaguaRuggiero July 28, 2008
Top Definition
the phenomenon whereby the anus possesses it's own brain and makes it's own decisions.

brain + anal = brainal
You are walking home and the urge to shit hits you, the brain in your head tells your anus to tighten and you continue walking. You are doing very well until close to home when all of a sudden you're scrambling for your keys and fumbling to open the door, running to the toilet whilst undoing your pants and just making it in time (or sometimes not making it).

This situation occurs because the brain in your anus overrides the brain in your head. Despite your best efforts to clinch and tighten, your brainal can sense when a toilet is near and immediately starts to open the brown gates.

"the ass always knows"
by reuben teuge February 24, 2010
When one is skull fucked beyond comprehension - thus taking part in the act of brainal.
"Ah man did you hear about that lass that Callum gave brainal?"

"Yeah I did, she had a concussion for a week!"
by Derivedminds September 30, 2012
the act of using an animal brain and placing it inside the butthole of your sexual partner then analing having intercourse with her while the brain is in her rectum
dude my hoe let me give her brainal for the minimal price of 10 dollars!
by natesterbait March 19, 2011
Of or pertaining to the brain.
1. The patient has suffered a stroke in his brainal cortex.
2. When anatomy students study brainal anatomy, it is standard practice to probe the broab, located dorsally.
by BirdValiant1 November 29, 2010
When a female (or male, depending on your preference) performs fellatio on you after anal sex before cleaning the penis.
You, this chick Natalia is mad nasty, she gave me some brainal last night after I was up in that anus for like an hour.
by Bobby Ice June 14, 2010
One step above mind-fuck.
Nietzsche: GOD IS DEAD!!!!

Jimmy Neutron: Mind-Fuck!!!!!!!

Nietzsche: Srsly...

Jimmy Neutron: BRAINAL!!!!!!

*head explodes and sprays copious amounts of shit and jizz across the walls, and a little trickle lands on Nietzsche's Uber-Stache...

Nietzsche: Hmmm....

*Tongues his 'stache suggestively.

Nietzsche: Bon appetit
by The chudgargler March 08, 2010
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