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.
by jonyd94 December 29, 2009
Get the Grumblemug. 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.
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
Get the Grumblemug. 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...
You can get high grade and low grade grumble.
Low grade grumble being dirty scallies...
by craigluck August 31, 2006
Get the grumblemug. by hoohoo22 August 1, 2015
Get the grumblingmug. The act of simultaneously pressing the left and right arrow keys on the keyboard whilst playing Bubble Trouble (on Miniclip). Usually appears to be a swift back and forth motion or sliding dance.
by fromthesaad October 13, 2010
Get the grumblemug. Imaginary Gremlins spawned and set forth to do ones bidding. Loyal & persistent creatures that will always get the job done.
by Slrigknaps February 6, 2010
Get the GRUMBLIESmug. by Cyrus Darawalla February 18, 2004
Get the Grumblemug.