Play Doh Effect
The outcome of having so much hair surrounding your anus that it becomes thick and interweaved. Therefore, when you defecate, the fecal matter is pushed through the fur like a Play Doh spaghetti maker.
"Dude, I had to shave my asshole last night"
"Play Doh Effect again?"
"Yup, every two months."
"Play Doh Effect again?"
"Yup, every two months."