baby powder, gold bond, or anything us guys spray on our nuts to keep them from sticking to our legs.
i was at golds gym and i saw a huge dusty pile of grundle dust!!!!
by chadwick March 17, 2005
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when some guy takes baby powder, gold bond, jock itch, etc. and squirts it on his balls or grundle
i was at the gym the other day and i saw a guy sprayin himself with grundle dust.
i later went back into the locker room and found a pile of it where he once stood!
by big c March 24, 2005
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the dried sweat and dead skin from the taint.
That chick is such a skank her entire diet is grundle dust and jizz.
by King of the Diner Whores August 15, 2007
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