Woman's excretory matter, which escape through the mouth and/or nostrils during sleep. These creatures are spider-like in form and are composed of digested food. The size of the poop spider is proportional to the size of a woman. This of course is the explanation to the age old question, "Do girls poop?"
The act of straddling over another's body that is sitting on the toilet while both people defecate into the toilet and gaze into each-others eyes. The act is supposed to look like spider legs hanging from a toilet thus giving it the name spiderpoop.
Guy: Hey, lets do something neat.
Other Guy: I know, lets spiderpoop.
Guy: That sounds groovy man.
The shipping between the two Marvel characters Spiderman and Deadpool.
(Also affectionately called SpideyPool)
"OMG, SpiderPool is SO my OTP!"
"Hey, did you get that SpiderPool art I sent you?"
"I'm not sure how I feel about SpideyPool . . . I like IronSpidey better"