A fork of Rural Dictionary
When you need a poo so badly your poo is pocking out your ass and nearly about to drop on your pants.
i need to go to the toilet i have a, turtlehead touching cloth
AKA "mud touched the cotton"
When you soil your underpants due to an unexpected shart.
Please note that this is the extreme case of a shart in which the fecal matter explodes beyond the crevice of your butt crack and makes contact with your undergarments.
Harold pushed his fart out so hard that the mud touched the cloth. His wife regrets making the bean burritos.