Butt Cabbage 

Small wads that form at the top of a person's buttcrack. They consist of dried fecal matter, toilet paper, and hair.

Jake flicked a butt cabbage on me last night. I almost barfed.

Butt Cabbage by A_Pacifist October 19, 2017

buttcabbage 

A type of fungus that usually resides in the crevice of the buttocks.

"Yoo duudddee the doctor said the reason my ass smells is cuz i have buttcabbage!"

buttcabbage by snailorrrrrrrrrrrrr October 13, 2009