A grub is a person who is a sloppy mess. They rarely shower and are constantly filthy. This word was derived from the legendary cottage vacation of RB.
by Ryan12345656 May 27, 2008

To gather, consume, and horde hungrily, obsessively, as in money-grubbing and power-grubbing; without a hyphenated modifier, the action verb that describes how gluttons behave with food.
He was a money-grubbing, power-grubbing monstrosity, who would allow no law or moral imperative to obstruct the expansion of his media and propaganda empire.
by morbidius April 12, 2013

In Gears of War, COG slang for Locust soldiers, called this because of their tendancy to pop up from the ground in holes also called grub holes.
by TheDuhMan October 1, 2008

My stomach's eating my backbone dude, let's stop and grub.
Dude, I left my shades back where we grubbed!
Dude, I left my shades back where we grubbed!
by shankus November 30, 2004

by grandmafunk July 3, 2006

In L.A. slang something that is extremely delicious and fulfills a deep hunger, especially when one is drunk and or high.
by BobbySax September 10, 2010

a person who is an overall cheap ass, unable to pay for other peoples expenses yet alone their own. generally unclean, smells bad, wears same clothes for days on end, showers on an annual basis.
David Mickleburgh: I've got 5 cents to spare, whos gonna buy me food and some new clothes
Person 1: Youre such a fucking grub
Person 1: Youre such a fucking grub
by muckface fcgeezacks September 19, 2009
