Grublum 

A small McNugget-shaped creature, with rabbit ears. It also has human-like hair, stick legs, giant angry eyes, a large mouth with pointy teeth, and pitchfork arms. There are many types of grublums,; such as, Asian grublums, ninja grublums, jedi grublums, ect. This word and creature is copyrighted by CJ Wilcox, which means no one can use this word, without giving him full credit for the idea. As he invented the Grublum in 2007.

OH MY JEEPERS!!! Look, it's the Grublum.

Grublum by CJtheGreat January 17, 2009

grumblump

A level name in the final world of Super Mario 3D World

Don't look up Grumblump on Urban Dictionary. - RedFalcon, 2021

grumblump by 5003erX March 5, 2021

grubmumbles 

the noises your stomach makes while driving home with fast food on the front seat.

gotta get home fast; this pizza is giving me the grubmumbles.

grubmumbles by i.m.siruis May 11, 2010

Grublimate

Grublimate means more than Ultimate and Mega

me: The Disney and the George Lucas deal was the Grublimate backfire on Lucas.

Grublimate by Sakurakage August 15, 2021