A fork of Rural Dictionary
The matting of poo and hair around the anus due to lack of proper wiping after a bowel movement.
Man drank so much beer last night that I woke up this morning and took a shit that gave me a huge shitflap!
The festering labia of unkempt female genatalia.
"Did you go down on her?" "No, she had shitflaps didn't she?!"