brain baby

An epiphany of thought. When someone suddenly has a brilliant idea.

omg, i just birthed a brain baby.

by Volcanis July 20, 2011

baby bitch brain

person with small brain

"you have baby bitch brain"

by babybech April 12, 2019

Brain baby

When someone is a stupid fucking retard

Hey, see Ava over there? She's a fucking brain baby

by Hamborgler November 29, 2018

Brain Baby

Anything with an overly large head, or anything that looks top-heavy in any way.

Man, did you see that psychobilly, brain baby thing over there? it's head was all greasy and stymie like rubber johnny's.

by Angus_for_president November 27, 2007

brain baby

The result of when a man jizzes in a girl's ear

My girlfriend didn't want me to cum in her mouth, so I came in her ear. In 9 months, she'll be having a brain baby.

by wotcher now October 21, 2010