When it is raining and people cannot fucking drive to save their lives!!!
Oh great it raining and what does that mean people get rain brain behind the wheel and can’t drive worth a shit!!
1. When a hot piece of ass walks by, and your brain busts a nut
2. When someone mind fucks you with a concept, mathematical equation or riddle
1. Dude, checked that chick out, I just busted a brain nut
2. <hears concept> Whoa! Brain nut!
Retracting the steps in the mind that lead back to where one bookmarked a certain site in one's browser.
A line of text reminded me of an image I bookmarked in my browser last month that I wanted to show the writer, so I went on a brain trail.
When you see something and it awakens a random neuron holding long dormant and often only tangentially related memory/reference.
The pretzel being the random ass path the thoughts have to travel to arrive at the thing you remembered
Friend: yo can you believe the gas prices are so high?
Moron sings: 🎶 couldn't clean my room cause i got high 🎶
Friend: f*ck you, you pretzel brained moron
When something is stuck in your head, typically a song or tune/beat, that just won't go away like a bad stain.
See also "Ear Worm"
I've got brain stain from that song on the TV advert, I can't get it out of my head and I don't know the artist!
Information now in your head that you don’t want to be there.
Caitlyn Jenner’s performance on The Masked Singer left a brain stain.
When a woman is lead around by sex and lets her pussy do the thinking.
My niece is a reasonably intelligent girl. But since she hooked up with this loser she sure is a clit for brains.