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To expel solid waste from the anus. Refered to in the movie "Shawshank Redemption".
guard: I'm gonna go Pinch-A-Loaf, so this stuff better be cleaned up before the wardon gets back
by Ryan Hershbeger June 02, 2006
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3
Using your sphincter muscle to "pinch" a loaf of shit that is hanging halfway out your ass and won't drop of its own accord. Pinching a loaf always results in extra-messy wiping.
"Hurry up and finish taking a shit, we're already late! Pinch the loaf if you must!"

"Thanks for suggesting that I pinch a loaf; it worked. Now I have to spend 5 minutes wiping, then we can leave."
by bingobastard March 28, 2009
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6
The act of dispursing poo out of the anus. Slang terms include: pinch a mean one, dropping the kids off at the pool, taking the browns to the super bowl, taking a dump, lose some poundage, drop a load, etc.
Hey man, I really gotta Pinch-A-Loaf, can I use your bathroom?
by Monnor Cunn July 19, 2010
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7
A slang term (not very well known). Its a term describing what happens when you release matter from your bowels. Many use the term instead of a derogitory 4 letter word because it sounds less harsh. In the example below you will see how easy it can be used when you are speaking to loved ones.
I'll take out the trash after I pinch a loaf.
by B. Steed January 02, 2005
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