big brain 

the opposite of small brain

me in a mirror: dude you're so big brain
also me: nah man im small brain

big brain by i m s o p u r e November 14, 2020

big brain 

a person who wont shut up and listen

*music plays* sInGs: Big brain is a person, who wont shut up and listen

big brain by llama with a h June 29, 2021

Big Brain 

Code word for Big Dick

Anthony: I have a big brain!!
Juan: no. You have a small brain.

Big Brain by The_crazy_jazzy September 29, 2019

Big brain 

Extremely large brain. Usually named Lily.

Basically a person with a very large brain that has hella smart stuff.

Random dude: what’s 42+27?
Lily: 69 🧐
Random dude: damn you hella big brain

Big brain by Edjn October 24, 2019

Big brain 

A big brain is a brain that only big brains can handle.

Only a few people have big brains, therefore they're genius.

Person1: 2+2=7
Person2:BIG BRAIN

Big brain by shoulder pain sufferer October 26, 2019

Big brain 

to Do meth and heroin

Ur mom a hoe

Oh hi there big brain

Big brain by Woahviky November 7, 2019

Big Brain 

Me

I am verry Big Brain.

Big Brain by da1240me September 28, 2020