Butthole Cheese
It is the act of not wiping after defecation and leaving the excrement to fester on ones anus therefore hardening and turning into butthole cheese.
"Dude, you should wipe a lot more often!"
"Why?"
"Because your ass cheeks are caked in butthole cheese!"
"Why?"
"Because your ass cheeks are caked in butthole cheese!"
Butthole Cheese by Birch Guy December 2, 2014
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