Top Definition
the act of eating food from various places within a short period of time, also with a limited distance between food venues.
ME: Dude, you wanna go grubin' tonight?

YOU: Yeah bro, lets hit taco bell, burger king, and wendys!
by rob dyrbak July 06, 2009

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A suave individual. see sexy
Has the first name of Alex.
Hey, that's grubin over there.
Let me go talk to him.
by Alex December 06, 2004

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One who uses other people for his own benefit. Also see scumbag.
Chris: Hi Grubin...
Kristen: Hey, can i borrow a dollar?
by Richard Simmons November 28, 2005

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