An epiphany of thought. When someone suddenly has a brilliant idea.
omg, i just birthed a brain baby.
When someone is a stupid fucking retard
Hey, see Ava over there? She's a fucking brain baby
2👍 2👎
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.
3👍 6👎
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.
2👍 7👎