Eating heavily like you've never seen food before.
I knew Shaniqua was pregnant when I saw her grubbing on that burger. Damn!
by Fifi fiferton May 2, 2008
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A boot loader for linux (GRand Unified Bootloader)
Person 1: Do you have grub
Person 2: yeah i have food
Person 1: no the bootloader dumbass
by Milkiekid January 7, 2021
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Kiernan: Yo I'm so drunk right now!

Matt: You've only had one drink, your totally grubbed.

Kiernan: Nah it's all good.

Matt: What a fuckboy.
by demboys April 27, 2014
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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 4, 2010
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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 8, 2009
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