When you get goose bumps when you need to pee.
e.g. "Whoa! Look at my arms -- piss shivers! I need to pee..." Joe
by Kath Canton` May 27, 2006
That annoying little shiver you get at the end of a long and refreshing piss.
Damn that piss shiver gave me the chills!
by the Elephant Man August 12, 2004
The feeling experienced when a person (perticularly male) urinates; can be used colloquially to describe any other experience which causes the same or similar feeling.
The bridge of that song gave me piss shivers.
by DKqwerty February 07, 2007