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
Pewds : Big brain!!
*cobblestone generator breaks*
OwO
by Nineyearold123 August 09, 2019
by Ron Jeremy December 21, 2004
A: "Then I have to psychology for study."
B: "What?"
A: "I meant to say, I have to study for psychology. I just can't speak correctly."
B: "You just have finals brain."
B: "What?"
A: "I meant to say, I have to study for psychology. I just can't speak correctly."
B: "You just have finals brain."
by Hi_Mom April 27, 2017
Mom: Oh I know I'm living in squalor but I just love kids! And I'm going to get pregnant for the 5th time regardless of my situation! It's a miracle!
Normal person: Wow that bitch is a real breeder brain.
Normal person: Wow that bitch is a real breeder brain.
by Lacey13 January 14, 2012
by RocksForBrains August 19, 2021
What happens when you've had so many carbs for lunch (or not) that you can no longer function properly.
I'm sorry I forgot (insert the stupid thing that you did that you are apologizing for here). I had lunch brain.
by Sue Bell September 25, 2008