Testicles that prespired to the point of having a musty, pungent odor. aka sweaty balls.
Dude, you need to take a fucking shower. Your musty nuggets are stinking up the whole damn apartment!
by Bald Wookie January 04, 2009
1 more definition
a hairy poop with a pungent smell
duuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuude i just took one nasty musty nugget
by happyfacequincy February 07, 2012