Top definition
The natural oils, aroma, residues found on a scrotum which are especially abundant under the penis and where the scrotum touches the inner thighs.
I never touch the doorknobs in a men's public bathroom because they're loaded with disgusting nut musk.
by WillyB January 10, 2006
Get the mug
Get a nut musk mug for your father-in-law Jerry.