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1) The act or study of rectum thrashing with a large penis or tool.

2) The stretching of a woman's anal cavity by a well endowed plummer.

3) The term used to describe ass pounding and/or cornholing.

4) The study of hemmoroid re-insertion.
Yo man, I heard that you were studying rectology at my old college, F.U.

Damn Luke, you just schooled that hoe like a professional rectologist!

My friend Berto is a plumber, however as a side job he is a freelance rectologist. He loves cleaning all sorts of pipes.
by Berto February 27, 2006
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