Top Definition
Dried nuggets of poo that are attached to the bum hair around your anus. Also known as dangleberries.
-Dude, can I borrow your comb.
-Sure, here you go.

10 mins later

-Thanks man, I had a couple of real persistent grufflenuts that I couldn't get out without a comb.
-No worries. You dick.
by jimwade December 03, 2009
6 Words related to grufflenut

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