When a guy is taking a piss and gets the shivers and either misses the toilet or miraculously keeps control. Can be tough to keep control.
Bro, I just had the worst pivers. Almost lost control.
by weinershnizzle11 December 08, 2010
Occurs during urination, the body shivers for a second. A piver seems very natural, and reliving kind of like a sneeze
by Ross Hensley July 13, 2008