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8.
the act of eating grub
thanksgiving isn't thanksgiving without some good turkey grubbin'!
by Anonymous November 17, 2001
 
9.
To mooch or scam off of others, a freeloader...
Stop grubbin' off of me, I'm not giving you any more
by pge August 09, 2006
 
10.
when you bring food to school and eat it in class. hellz ya.
yo me and my homies wus grubbin on some gummy sharks while listenin to three-six in computers.
by jonathon wyldeass December 31, 2003