look up any word, like ratchet:
 
1.
The undigested chunks of food in your shit that are feasted upon during a cleveland steamer.
Jill was quite famished and to revive herself she ate the grubbles while Jack rocked back and forth.
by Drew_the_Dingleberry September 06, 2006
 
2.
to rummage in one's pockets without looking, for something you know is in there and will be located if you keep digging around.
She grubbled unsuccessfully for a few minutes for that last nickel she needed to pay.
by millimole July 07, 2011
 
3.
Noun: The uncomfortable stubble that appears 24 hours after one shaves his grundle.A hybrid of grundle and stubble.
"Damn dogs you got any Gold Bond I gots mad itchy grubble yo!"

Kendall:"Hey Trevor.How did Stacey get rug burn on just her chin.
Trevor:GRUBBLE!