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

brainiac 

1: A British Television show that was bought by G4TV, which contains funny, stupid, and just plain unneeded science experiments. It often involves the use of breasts.

2: Someone who's life is dedicated to accumulation of all the world's knowledge.

3: A big waste of -The Omega Master's time.

"Did you see Brainiac last night? That chick was hot!!!"

"Ned is too freaking smart, a regular Brainiac."

"Why did I even bother to post up Brainiac?"-The Omega Master

brainiac by -The Omega Master September 21, 2005

brainiac 

A person whose attempt at intelligence fails spectacularly. Usually used sarcastically in the phrase "what a brainiac".

"...and then his entire system crashed. What a brainiac."

brainiac by John May 12, 2004

brainiac 

sarcastic. used when denoting someone's lack of intelligence, i.e. they try an idea and it fails miserably.

"Nice Job, brainiac." emphasis must be put on 'brainiac' or else it loses its effectiveness.

brainiac by Tengu March 31, 2005

Brainiac 

Someone who is addicted to getting head.

Girls love Metaphor and I love em back, addicted to getting head, chicks call me the brainiac.

From the Boondocks on Adult Swim

Brainiac by DiDo25878 January 4, 2008

brainiac 

One who is not only intelligent, but gives the best blowjobs.

My girl gives great head and is incredibly smart; but when I think about it, she's always been a brainiac.

brainiac by Bryce King September 19, 2007