Prom Brain 

Condition in which you excessively think about prom, things related to prom, prom dresses, prom hair, prom shoes, prom makeup. Only cured by attending prom.

Girl 1: "I keep looking at prom dresses even though I already have a dress!"

Girl 2: "I think you might have prom brain."

Prom Brain by PrimadonnaGirlWantingTheWorld March 8, 2015

Cloud Brain 

The morning after a day of heavy weed smoking, where you can't focus on anything and your IQ drops 60 points.

Paul: Dude you drove the wrong way what were you thinking??
Danny: Sorry man I think I have cloud brain, I can't focus on anything.

Cloud Brain by masterblanket March 28, 2015

Slut-Brain

The ability to shut or block off the part of the psyche that is responsible for developing emotional intimacy and connection during sex, rendering intercourse a pointless pleasuring event with no real "magic".

You don't need to actually like someone to sleep with them, it's all about physical gratification when ya got slut-brain.

Slut-Brain by Tam O September 5, 2016

Yoga brain 

A state of quasi-drunkenness following an intense yoga class.

Oh my gosh, I left my keys in the yoga studio. Yoga brain!

Yoga brain by Big poppa 62353456 October 7, 2016

Mush brain 

The mental status of an individual after a long night of indulging in copious amounts of alcoholic beverages, usually but not limited to Vegas bombs or an unhealthy count of bush light. Said individual is not able to respond to questions in proper English or make any decisions other than hydrating and sleeping.

"Hey do you want to get some breakfast?"
"uhh duhh."
"What's wrong have you gotten mush brain?"

Mush brain by Bob Elliot November 28, 2016

bird brain

Somebody who doesn't understand math and will never understand. He will utter stuff like: The proof is brilliant. It uses mainstream mythmatics to demonstrate the bullshit being taught by the BIG STUPID. It accepts infinity as being valid.

John Gabriel, you wont get it with your bird brain.

bird brain by Harry Stoteles December 20, 2016

Mush Brain 

When you ain’t thinking straight.

Damn bruh, u actin like u got mush brain.

Mush Brain by Chum chum da wumb December 4, 2017