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The inability to control fecal matter from sliding out the anus and into the pant leg.

As a result of too much anal sex, the muscles used to keep the feces inside the rectum literally lose their "tread."
What it's like to have Fecal Incontinence

"Fuck you."
"No! Fuck you! You're adopted."
"Yeah, well, at least I don't shit my pants involuntarily."
".....You're adopted."
by gwaijai June 12, 2009
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