An acronym standing for Group Poop. Much like women and their periods, when men begin living together, their poop cycles coordinate. A group poop is when these strapping young whipper-snappers, members of a team, or other cohesive unit, as it were, congregate to poop together in the same facilities. While defecating, they listen to the collective bowel calisthenics and engage in witty banter or bathroom games (i.e. kicking open the stall door/paper towel bombings). Also see P.I.A.G..
by Spartan Basketball 07-08 February 22, 2008
Get the G.P.mug. by t.j and b.h July 30, 2007
Get the G.P.mug. g.p's is an acronym which stands for granny panies.
and if you don't know what granny panies are than you have two options, #1 look it up on the urban dictionary or #2 go through your grandma's drawers, im 100% you'll find one there!
and if you don't know what granny panies are than you have two options, #1 look it up on the urban dictionary or #2 go through your grandma's drawers, im 100% you'll find one there!
-yo check out her g.p's they're puffing out of her pants like a parachute!
-hey man,i think she's ready to go sky diving!
-hey man,i think she's ready to go sky diving!
by michelle phillips January 3, 2008
Get the g.p'smug. 
A deviced used by those who have no idea where they are, to assist them in going nowhere in particular, using the shortest possible route.
by jt July 13, 2003
Get the G.P.S.mug. by Triplejumpjon November 9, 2011
Get the G.P.S.mug.