Brainiac 

An idiot. moron

"...then he got stung by the entire swarm of bees. What a brainiac."

Brainiac by Robert December 12, 2003

brainiac 

A girl who not only is very good at, but also thoroughly enjoys giving head

My girl sucks me off on a daily basis, she's a brainiac fo' sho'!!

brainiac by jacob banuelos May 20, 2005

brainiac 

Ryan Aleksandrs Musa

The fool is such a brainiac

brainiac by PiGuy May 23, 2004

Brainiac 

When sombody gives you head while playing videogames

Yo girl can you give me a brainiac while I play Call of duty

Brainiac by Spudz13 February 15, 2014

Brainiac 

a girl that gives head/brain

yo that girl is a braniac she knows how 2 do it rite

Brainiac by mm October 29, 2003

Brainiac 

a bad headache.

damn man, i smoked too much, i feel all brainiac.

Brainiac by Dickie Moist October 7, 2003

Brainiac 

A dc super villain how wants to steal all knowledge and is also called the smartest being in the universe

Superman: I will stop brainiac

Brainiac by Cjvhv April 19, 2019