GP 

Group Poop. Shitting while in the presence of others who are also shitting. Usually performed in gas stations with multiple stalls.

Hey Meg, wanna take a GP?

GP by Legends May 15, 2005

GP 

Guarenteed pussy

She is GP, this means she ain't shit but a way to get my dick wet.

GP by wow to wor June 28, 2016

GP 

Referring simply to the phrase "Good Point"; popularized via Instant Messenger but now a colloquialisim.

"You are hell of wasted!"

"GP"

GP by Maige May 2, 2006

GP 

The name of someone who masturbates to gay porn

That kid's a GP

GP by faghater96 July 19, 2009

gp 

An abbreviation that really cool people use to mean "good plan" or sometimes "good point".

"Oh hey, let's drive to the beach"
"gp"

"You shouldn't go after that guy because he's a jackass"
"gp"

gp by meehoo7112007 April 17, 2006

GP 

Gotta Poop

Steve: Yaooo, wat up mah nigga?
Granath: nm...chillin
Steve: true dat
Steve: How's da softball league? Did Orlando single handedly win the whole thing?
Granath: me and orlandos team are in the world series
Granath: not yet i wont let that happened
Steve: LOL
Granath: gp
Steve: rofl...aite hit me up lata.

GP by StevieGGGGG August 3, 2010

gp 

gp stands for game plan

what's the gp for tonight?
-Michael
Mungin
-Benjamin
Bitchin
-Michael

gp by SalubriusX April 21, 2010