Grumble

The lava like substance that is found in the Grumble Volcano level of Mario Kart Wii. Can also be used to mean anything that would be undesirable to fall into.

When the green shell knocked me off the race track, i fell right into the Grumble.

by jonyd94 December 29, 2009

Grumble

Verb; to have a quick grumble, meaning to have a quick wank.

Grumbling is often done hunched over the keyboard, or for the serious old schooler, with a grumble-mag.

My mate won't stop grumbling, his room, sheets, everything smell of Chicken and Mushroom Pot Noodle.

by dj_monged August 14, 2004

Grimster

A young white boy that loves anal by a big black man.

William: Hi Guys I’m a Grimster
The Guys.l: No way I never knew you was into big black man pounding your ass!!

by Rumball December 17, 2018

Grimshaw

Basically a nervous kid, who lacks prestige.

Aww, man you suck big time- you remind me of that grimshaw, lomais from 4th grade...

by meatofbarn June 14, 2011

grumble

Generally a girlfriend but then, all women "grumble". Therefore they are "grumble".
You can get high grade and low grade grumble.
Low grade grumble being dirty scallies...

"Goin' out to get me some grumble tonight mate."

by craigluck August 31, 2006

Grubshuck

to knock the piss out of something

I grubshucked that fucker that hit on my girlfriend.

by Loserheadd January 13, 2011

grum

A guitar drum.

Guitar + Drum = grum

When a guitarists uses the base of their guitar to make percussion like sounds. This is then refered to banging the grum.

by Guy Cruz December 18, 2005