GruntPa 

An old man / skilled professional / battle tested verteran in a profession that usually has people die or exit young.

A: Did you see that old man at intake earlier?
B: Best be quiet. I bet that GruntPa can take you down with one arm behind his back.

GruntPa by GruntPa June 13, 2019

gruntcakes

Expelled fecal matter, specifically of human origin. An illtempered arrogant person. Nickname. Used as an expression of contempt.

"Go and ask Gruntcakes"

gruntcakes by Herman Vuurens April 25, 2006

grantpa 

A grandpa who pays for his grandkid's college expenses, tuition, rent, bills, etc., enabling the grandkid to smoke excessive amounts of weed and have keggers every night.

Don't worry, this ounce of chronic is on me. My grantpa pays all my bills so I have some extra dough.

grantpa by Howard Capone November 2, 2008

grunthard 

(noun) feces; poop; crap; shit

"My grunthard was so big it clogged up three toilets!

grunthard by allison7777 June 14, 2010

gruntapult 

use grunts with catapults in the back for mass PWNAGE. Mostly used against mass hunts.

Sweet gruntapult abuse you fucking n00b. You aint gotz no micro wanksta ass binatch! Anyone can do that shit

gruntapult by brant September 24, 2003

Gruntpocalypse 

Firefight in Halo:Reach but with only Grunts.

Johnny felt like being cheap, so he played gruntpocalypse all day

Gruntpocalypse by Gruntpocalypse October 15, 2010

gruntfart 

the sound ones anus makes whilst taking a intense bowel movement

that would be telling....(gruntfart)

gruntfart by commander muffmuncher March 28, 2014