A little piece of dried poop, which, when pulled loose, takes along with it a collection of butt hairs so it resembles a spider body and hair legs.
It's a guy thing. Women do not have ass spiders.
When he pulled the crusty bit loose it ripped out a bunch of butt hairs leaving him holding a worthy ass spider in the paper.
a spider that goes in your ass when u sit on the toilet
i saw a ass spider making babies with a penis snake