Brainiac yack

talk that's pompous and attempting to appear intelligent.

Everything that professor says is brainiac yack.

by LaLaLander17 February 9, 2009

shit-for-brainiac

A stupid person who thinks he or she is smart.

Sam: I thought oil would smother the flames of the fire.

Dave: Way ta go, shit-for-brainiac

by sphinchterella December 29, 2006

Brainiac

When someone gives such good head your brain implodes

Leo likes when Donnie gives good brainiac

by Ancient Timmyplays February 27, 2024

Brainiac

A Brainiac is a person who wears spectacles and has a piercing in the gay ear

"Look that guy has spectacles and a piercing in his gay ear!. He must be a brainiac, I hope I don't have monkeypox off him"

by The most Brainiac March 5, 2023

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

by Cjvhv April 19, 2019