grumpo 

A person who exhibits an aggressive attitude towards people, places, or objects on a daily basis.

"Man you were a real grumpo last night. You punched holes in the wall and lit a couch on fire"

grumpo by Peteskeet June 19, 2007

grumpo 

A grumpo is another word for grandfather mostly used by carribean or bahamian people

My grumpo and i are going to the mall

grumpo by bigbatty gwal November 15, 2022

Game Grump

the art of skipping the tutorial in a game you've never played

i'm gonna game grump it

Game Grump by LiamTAT July 31, 2018

grossie grumpkins

The anonymous old man - most likely suffering from some form of dementia - who takes a shit in the sink of public restrooms

Don't go into the bathroom, Bob. It looks like Grossie Grumpkins struck again.

grossie grumpkins by Betty Wagaman October 15, 2006

Grumio 

Someone who gets all the ancillas and be dining like a boss

Caecilius: Hey what happened to my slave girl and my food!
Clemens: that up to no-good grumio probaly took them.
Caecilius: Eheu!

Grumio by BJHSILOVEONEDIRECTION November 20, 2013

Grumpstink 

When a person throws themselves into a tantrum of such ferocious proportions that they inadvertently pass wind.

"Dude, Ashton went off the rails so bad last night that she pulled a grumpstink! My flat still hums of it."

Grumpstink by Prof. S May 4, 2010

Grumpasalty 

A Grumpy old man who hates weebs and Anime

Did you get banned from the server? Yea a Grumpasalty found out i like anime

Grumpasalty by alexalas March 19, 2019