gramps 

someone who has characteristics of an old man.
1. falling asleep anywhere including using a calculator
2. wandering off with no purpose or destination
3. mumbling to himself because 'its a bonus if anyone is listening'

gramps fell asleep in the middle of a sentance again.

gramps by anon January 12, 2004

grumpasaurus 

a grumpy person. may or may express said grumpiness with non-human like grunts and sounds. definitely pouty and brooding.

An unexpected snowstorm in April turned Graham from a happy, human boy into a decidedly brooding grumpasaurus.

grumpasaurus by Siducci December 24, 2008

gramped

Gramped is what happens to a man when he becomes a grandfather for the first time.

My daughter gave birth to a beautiful baby girl. I got gramped!

gramped by Cyprus Denton Fekks November 23, 2010

grumpire 

An umpire of any sport, who is of the grumpy variety.

Scamp: Man, that guy is such a grumpire.

Champ: Yeah but I think he's angry because he's so short.

grumpire by mupchrch September 1, 2009

Grumpf

The sound made by the "catcher" when the "pitcher" inadvertently enters the "wrong" orifice.

She let out a loud, muffled grumpf into the pillow when he slipped out and entered the one-way back street!

Grumpf by Backstroke May 11, 2014

Grumpy Gerbil 

a middle aged man who is a social studies teacher you HATE. he is annoying, unfair, and rude.

me: *goes to the bathroom*

Grumpy gerbil: WHERE R U GOING!!!!! NOOOOOOOOOO YOU ARE BADDDD

Grumpy Gerbil by thisiswhomadethis <3 May 13, 2021

grampa gucci

(Noun)
A term for someone who is both elderly but still hip, but on some occasions acts rather odd. He doesn't necessarily have to be your grampa, or anyones grampa in fact to be called this.

Hey look guys, it Grampa Gucci!

grampa gucci by SHMOO_22 August 29, 2017