Brain Time 

When you take your testicles out of your waistband so your scrotum stretches out to the max and looks like a brain. Often showed to others under a table as a surprise prank.

"Guys look, it's brain time."
"Dude, put that away!"

Brain Time by Yuckasaur1 March 21, 2020

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

Big brain time 

Plankton the evil genius giant brain.

Friend:Plankton is the best character!
Other friend: yeah, he’s the definition of Big brain time

Big brain time by CherrishNoodles April 21, 2020

Big Brain Time 

Sucking the male genital in order to give one pleasure.

Giving head for male pleasure.

Julia,it's big brain time.

Big Brain Time by Jjjbblll June 9, 2021

Big brain time 

Plankton the evil genius giant brain

Friend: Wow, Plankton is the best character!
Friend 2: I know right? He’s the definition of Big brain Time

Big brain time by CherrishNoodles April 21, 2020