when a girl has hair that resembles human feces or has streaks that are the color of poop.
Marianna's poop hair looked like my massive shit in the toilet this morning.
by JCM Crew May 31, 2006
An expression used to describe someone with brown or brunette hair. Often used as an insult.
Look at her, she's not even pretty...she has poop hair!
by hahaha125 August 14, 2010