The smell that's left inside a bathroom after someone else has taken a poop. This is an unpleasant smell (unless you like other people's poop smells), and definitely not a smell you'd like to shower in.
Roommate #1: Did you just go poop in there?
Roommate #2: Yeah, man. Just had a huge cup of coffee and had to go!
Roommate #1: Alright, I'll use the upstairs bathroom. I don't want to shower in your afterpoop.
by idonlikepudding November 24, 2015
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the remaining poop left after pooping that broke off in the butt and is too small to squeeze out
"Hey, mark did you have a good poop?"
"No. there was a ton of afterpoop and I took me forever to wipe."
by froste May 3, 2013
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