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11. Brainiac
a girl that gives head/brain
yo that girl is a braniac she knows how 2 do it rite
by mm Oct 29, 2003 add a video
1. Brainiac
smart person
Bush isn't a brainiac
by anonymous Jan 30, 2003 add a video
2. 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
3. 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."
by John May 12, 2004 add a video
4. 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.
5. 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.
by Tengu Mar 31, 2005 add a video
6. 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

7. 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.
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