rain brain 

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!!

rain brain by Ranchcarpets May 22, 2020

brain in the rain

Receiving oral pleasure in an outdoor setting while it precipitates.

That whore was wild. She done gave brain in the rain to me during last night's storm. It was wicked awesome brah.

brain in the rain by lenny732 June 26, 2017

Rainbranch 

Cool kid😈😈😈
stole my mom once💪
Also a zhongli haver👿😔

Whos the coolest person ever oh Rainbranch

Rainbranch by Soggybobby January 6, 2022

Raingraine

Headaches caused by changes in the weather or barometric pressure, specifically rain

Today I had the worst raingraine.

Raingraine by T Win February 4, 2022