To poop backwards is defined as the act of receiving anal sex.
"Damn that chick has an ass that just won't quit!"

"Yeah! I'd like to teach her how to poop backwards!"
by elemkay May 20, 2008
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The act of pooping on a toilet backwards, as if straddling the toilet. In most cases the trousers and undergarments must be completely removed before engaging in this act.
Yellows '09 loves pooping backwards!
Yeah they leave some awesome skid marks.
by Poop Backwards July 28, 2010
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Participating in the act of anal sex.
-adjective form of poop backwards.
"How did your date go last night at the steakhouse?"

"Pretty damn good. We went back to her place and she let me fuck her like a porn star. I had her pooping backwards in no time."
by elemkay May 20, 2008
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Similar to poop backward, this is the act of taking a shit in a condom, freezing it, and re-inserting it into the anal cavity.
Tyrone: Ayy man, did u see those nudes of Jemima? With the condom?
Tyrone Jr.: Yea man, they made her poop backward, literally.
by xXwienerWackerXx October 15, 2018
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When you get down on a girl and go into the number 2 instead of the 1
Oh ya my boyfriend and I tried something new last night. He slipped it in and it felt like backwards poop!”
by ALilBottleofJack February 28, 2018
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