Big brain

Used to describe someone who actually does something smart.

“Wow ur so big brain”

by Luciana1234 December 19, 2021

baby brain

As a noun, a type of brain that acts like a baby, either because its a baby or because it is teenager or adult but easily distracted, impulsive or rapidly changeable in mood.

As an adjective (baby-brained), a immature person with a baby brain.

The president's baby brain embarrassed the country once again by confusing three unrelated policy notions during his press conference with the visiting prime minister.

by davelat September 3, 2025

Smooth Brain

If your brain is smooth, it means your dumber.

"You got a smooth brain?"

by Bob IS Joe December 21, 2021

Madden brain

A disease commonly found in professional quarterbacks. When a quarterback is infected he can throw 2-4 interceptions in a game. In most instances, the infection will last only a single game, however it can last for a quarterbacks entire career.

Matt: Hey did you see the Bears quarterback last night?

Ryan: Yeah he had a bad case of Madden brain.

by Woody Woodsfurd January 10, 2021

Bagel Brain

This word, Bagel Brain is Battle Fore BFDI Donut (BFDI)’s Nickname be a here

Example (Clip be BFB 8)
Donut:You know the drill! I, Bagel Brain, will be your host!
Lollipop:Hahahahaha. You're actually using my nickname?
Donut: Hey shut up, it’s a habit!

Used be A battle for bfb be knowing battle for dream island season 4 be Episode 8 be called be “Questions Answered“. Of one scene be saying a here be word.
Reused be A fandom be copy and paste, and be bfdi is owned by jacknjellify (be A Cary Huang)
BFB is season 4a be clip is here 1:21 Is be word.
Bagel Brain! 🥯🧠

by Greyisblack666 August 9, 2024

Juul Brain

When you have way too much nicotine in your system.

Person one: Damn man, Andrew hit 8 juuls at once! Now he has Juul Brain.

Person two: holy shit, he's a god.

by TheCyptidFiend October 26, 2018

Vanilla Brain

when the receptors in your brain have been gloriously untouched by things like recreational drugs and excessive video gaming, and thus remain sensitive to serotonin and dopamine.

Coworker 1: "yo why the fuck Sarah always writing motivational sayings on the whiteboard during break?"

Coworker 2: "oh, she got vanilla brain bro"

by Breadboibraincell June 7, 2022