big brains

Usually retarded people that thing their smart but their not. They usually have small brains and just say they have big brains to make themselves feel better.

I'm big brains and i have a 69 average.

by gamergurlbathwater420 November 18, 2019

Big Brain

something u or someone did caught your attention and u thought it was very smart.

YO that microwave cookie was such a BIG BRAIN Idea

by Brcvpa February 22, 2021

Big Brain

A big brain is a person who is stupid and yet smart with their stupidity.

Look! Jeff just pulled a big brain by jumping out of a three-story window to beat his sister down the stairs.

by Big Brain Joe May 21, 2021