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big brain

Big brain is a common saying used by many middle/high school ages students who want to express that they are

a) actually dumb and are covering up their mistake
b)says something smart

c) wants to fit it
these comments are made after any of (a,b, or c).
person 1- i just saw a dog and thought it was a cat
person 2- that’s really big brain of you
by yep it’s me 1107 March 6, 2020
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Big Brain

when you send a pic using a filter to Alex English while driving then get honked at because the light turned green and you didn't know that
Wow John is very Big Brain. What a guy
by jbr0wn May 26, 2021
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big brain

me in a mirror: dude you're so big brain
also me: nah man im small brain
by i m s o p u r e November 14, 2020
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big brain

a person who wont shut up and listen
*music plays* sInGs: Big brain is a person, who wont shut up and listen
by llama with a h June 29, 2021
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Big Brain

Anthony: I have a big brain!!
Juan: no. You have a small brain.
by The_crazy_jazzy September 29, 2019
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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
by Edjn October 24, 2019
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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
by shoulder pain sufferer October 26, 2019
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