by SalubriusX April 21, 2010

group poop. when a large group of people go to the bathroom & takes a shit at the same time. often, texting, magazine reading and talking are done while gp-ing.
(under the stall fist-bumps are also common)
(under the stall fist-bumps are also common)
by uSeR315 June 12, 2011

by kparker1267 May 13, 2008

You have to hold your own on GP.
by Mr. Terrence L. Trezvant August 27, 2006
