Brainsack 

Male testicles

All he ever does is think with his brainsack

Brainsack by DanyaelDemonic June 7, 2011

brainsick muzik 

Wicked Rap label created by twisted insane

Brainsick muzik go hard nigga

brainsick muzik by mr.noitalll January 7, 2014

Braincakle

When your brain is under the intense anger of a sugar craving, so it lets out a screechy battle cry demanding for cake.

You: broccoli

Brain: no. Noop. Nada.
You: green
Brain: activate angry braincakle
You: CAKE!

Braincakle by Sprigoons December 21, 2020

brainspike 

Verb: the act of watching a particular series (usually but not always anime) of episodes or movies in a row.
(especially the ENTIRE series at once)
Noun: the series to be watched.

Originated from Eau Claire, Wisconsin. It was created as a more polite/useable form of mindfuck (which means the same thing) by the local university's anime organization. Apparently watching many hours of anime episodes straight does something to you in the head.

Verb: Remember when we brainspiked Eva last month?

Noun: The brainspike starts at 6 and ends four days later.

brainspike by Vela May 9, 2004

Brainiac yack 

talk that's pompous and attempting to appear intelligent.

Everything that professor says is brainiac yack.

Brainiac yack by LaLaLander17 February 9, 2009

Brainiac 

smart person

Bush isn't a brainiac

Brainiac by Anonymous January 30, 2003

Brainiac 

This term applies to people who are extremely intelligent. If a brainiac were a superhero, their brain would definitely be their secret weapon.

My boss Paul is such a brainiac I don't ever have to use Google, HE is my human Google.

Brainiac by MereBear803 May 9, 2011