Brainfarting 

V. The act of forgetting something everybody knows or should know, or forgetting something you were recently told.

She told me he had been picked up by the police for outstanding warrants. I was brainfarting when I was texting him the next day, asking what he was going to do later.

Brainfarting by davediver23 May 30, 2022

brainfartitis 

The sudden stop of brain function in an extreme moment of need.

The student suffered from a severe case of brainfartitis during his presentation in Dr. Bradford's class.

brainfartitis by Dr. Dick Stationary November 19, 2011

Brain-farting 

Brain-farting is when your brain farts in reaction to something hilarious.

Brain-farted is when your brain lagged

Your joke was so Brain-farting

I was daydreaming at my maths class until my teacher surprised me with a question and I legit Brain-farted

Brain-farting by Fucking-Intellect August 5, 2019