A name you give to a place that is perfect for urinating.
When your at a party and you look all around for a place to piss, and you discover the perfect spot.
Dude 1: Oh man, I've really got to hang a piss.
Dude 2: Shit man, go down that path and fang a right when you hit the bridge, it's Pisstopia there.
Dude 1: Ken ay!!
When pissing outdoors and the perceived threat of an insect, animal, or person makes you jump back causing your piss to fly everywhere, often times including on yourself.
(Joe returns to the car stopped on the side of the highway.)
Mark: Oh man, d'you piss all over your shorts?!?
Joe: Ugh.. no.
Mark: Did a deer startle you while you took a leak or what?
Joe: No, uhm, a butterfly.
Mark: Dude, you're such a pisshopper!