Grum Moment

When you screw up really badly, ultimately misrepresenting the people you work for.

"Hey Jackson, no rape in the office!"
"Sorry sir, I had a Grum moment"

by 5#!7 August 18, 2014

Grum-pea

The negative mood experienced by one who is addicted to peas

Louise is in a grum-pea mood

by Milly McMildred September 23, 2010

Grum Dog

Someone who is incredibly exciteable and down to do anything involving a physical challenge or activity. Someone who is particularly Grum.
i.e. willing to be thrown into the air by someone much larger than them repeatedly for fun.

Julian is a gnarly Grum Dog!

by T.stans March 23, 2009

Grum tublet

A small ugly women, who has goblin like features with a fierce temper.

Cor blimey, that Ann Widdecombe is a Grum tublet

by The Archbishop of Banterbury2 May 18, 2011

grum

a frannoish rat boy

nick carr

by frannooooooooooooooooooooooooooooooooooooooooooooo October 14, 2003

Grum Rate

New York City slang for crime rate

We just f***ed up the grum rate

by RealBrooklyn January 13, 2025

grumming

to date or hookup within a friend group; synonym for friendcest.
(also: to grum, grummer, etc.)

"I think that friend group has hooked up or dated in every possible combination."
"Yeah, that friend group is constantly grumming."

by unles3 June 03, 2024