Pucker String
The Muscle behind your sphincther that contracts to cut the poop from your asshole.
man i was taking a shit yesterday and i felt something coming out between my pucker string and my asshole i coulnt shake it off and i stick my fingers to pull out the shit and it was my pucker string peeking out and i had a handfull of blood as my pucker string bled me to death.
puckering string
A persons butthole.
The other day i ate taco bell and it felt like my puckering string broke, i shit all over myself