This is the last couple of inches if the intestinal tract. It's where the turds come out. It's literally a tube for turds. And it sounds funny when you say it to someone who isn't expecting it.
Tell them I'll talk to them later. I have to go to the bathroom because my turd tube is full.
by Bob Tate September 6, 2017
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To exchange poop between two assholes by means of gaping and possibly tubes
Dude, I heard they were turd tubing last bight. Gross
by elevated stardards jerk off March 18, 2010
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