noun. a person who frequently depletes resources of some short (most often, but not limited to - food)

see also (bogart)
that stupid grub ate all the damn fritos again
by mullett December 21, 2002
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Word used to describe the action of getting hight/stoned/ripped or twisted out of your skull on the dankest shit one can procure
Reefer 1 "Lets get some grub"
Reefer 2 "Sounds good to me"
Reefer 3 "Not that dirt shit that we had for the past 3 days"
Reefer 1 "Fuck no, I stole some from the hospital"
by [AoH] Reefer Head Clan July 8, 2006
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A stopper you put in the end of a rolly / joint to stop the tobacco / weed from falling out while you insert a roach in the other end.
While rolling a joint Annie used a smoke butt as a grub as it fit like a glove.
by Large Professor February 20, 2006
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A worthless, cute, wasteful, or cheesy copy-and-pasted motivational post on Facebook that no one, anywhere, cares about. The person who does the posting is known as a Grubberface.
Facebook should invent a tool for us to flag worthless grubs like "Yeah, Reading Rainbow is on!"
by UrbRC October 7, 2010
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Dog Food for wild animals (referring to wild humans)
by tracie patterson March 28, 2003
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A name that is commonly used by the popular youtube commentator xcalizorz(Bruce) to describe a penis
Jensen has an augmented metallic grub snake.
by Marcus Junius Brutus October 26, 2011
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