Big Brain 

Noun used to emphasize intelligence.

Jules: You know what they call a Quarter Pounder with cheese in France?
Brett : No.
Jules : A Royale with cheese! You know why they call it that?
Brett : Because of the metric system?
Jules : Check out the big brain on Brett! You're a smart motherfucker. That's right. The metric system.

Big Brain by dlicen August 10, 2022

Big brain!

Originating from pewdiepie and cinnamon toast Ken's minecraft skyblock letsplay, this is used in situations where one individual does something profoundly easy after struggling, or just want to sarcastically talk about their IQ being high while doing small brain things

*Pewds and Ken finally make the cobblestone generator*

Pewds : Big brain!!
*cobblestone generator breaks*
OwO

Big brain! by Nineyearold123 August 8, 2019

Big-brain 

Big-brain, (Which can also be spelled without a hyphen,) means smart, intelligent, and is usually used when someone says something witty in an argument.

Maddie is really big-brain for saying that!
Or
Maddie is really bigbrain for saying that!

Big-brain by ~Chrysanthemum~ December 2, 2020

Big brain energy 

When a person has all the smartical particals and just comes up but the best and often most logical answer to a predicament.

Person 1: wow I never thought about it like that

Person 2: yeah that’s big brain energy right there

Big brain energy by Gregggyboii September 10, 2020

Big Brain Energy (BBE) 

Similar to Big Dick Energy (or BDE) in nature, this is when a person exudes intelligence, knowledge, and intellectuality. It is thought that this person is obviously smart and has a big brain and their vibes and energy demonstrate that. People with BBE are usually confident in their academics.

Student 1: Brian, you seriously are so smart. I can feel your Big Brain Energy (BBE)!
Brian: Wow, that is so kind, thank you so much for that compliment. Are you saying we can refer to my energy as BBBE? Big Brain Brian Energy?
Student 1: Absolutely!!! The vibes are totally there. B cubed E. B three times plus E. Whatever you would like!
Brian: I love it. Your innovation and creativity also depict your very own BBE!

Student 1: Stop it! Thank you, my kind, smart, Brian!

Big Brain Energy (BBE) by LingDanc803 May 11, 2021

Big Brain Moment 

When a nigga says some smart shit and the brain begins to get fucking large and niggas can see that shit. They notice and call you a nigga having a big brain moment.

This Nigga is having a big brain moment

Big Brain Moment by BigBrainNigga October 17, 2019

Big brain time 

A stupid solution of a Problem or thing

Lisa cracked her phone screen and texted Sara
Sara responded with "Take a screenshot so i can see the crack"

Axel "This is big brain time"

Big brain time by Axmus September 23, 2019