hair up your ass
A brain fart that hits you like a ton of bricks and makes you want to scream it to the whole world, even if it’s the worst thing ever.
My hair up my ass idea was to turn my bedroom into a pizza oven and eat a whole pizza for dinner.
I had a hair up my ass idea to text my teacher and tell her I’m a superhero.
My hair up my ass idea was to wear a hat made of socks and go to the mall.