2
A dirty, uncouth person who does not have proper hygeine, often characterised by a low level of education, often engaging in disgusting behaviours and often associated with hardcore illicit drug use.
Look at the grubs hanging around the Methadone clinic.
by Alan344 September 08, 2009
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3
(v) - to eat, to masticate and digest food to please the hunger that dwells within.

(n) - food.
Mike: Hey Sam, where do you wanna go grub?
Sam: I dont know where i'd like to grub, I'm so indecisive!
Mike: I know... i know.
by Misha of South Frammy September 19, 2004
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4
1. The thick wormlike larva of certain beetles and other insects
by Anonymous November 23, 2002
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5
1) n. Synonym for food.

2) adj. descriptor for delightfully tastey food
1) You hungry? Let's get some grub.

2) This pizza is fuckin' grub, dude.
by Big Tim September 23, 2003
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6
A person or people who crawls to management in a company and undermines other workers in the process for there own personal gain at the expense of others
Worker 1 "That grubby cunt from the West is in the office again crawling to the boss"
Worker 2 "I hate that fucking grub"
by MrX0000 March 04, 2010
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