The beginning of a mustache when it becoming visible, yet is still not long enough to be considered a "dirt stash".
Evan is rockin a day old shadow stash. Sick!!
a cache of expensive and exotic items of Japanese origin.
Jeff don't be a stingy, hook me up with some of that yakitori stash.
A collection of napkins, often from various fast food restaurants, stored in the center console of an automobile for use in emergency contingency situations.
I sneezed and spilled my coffee, so I reached into my emergency napkin stash.
A stash before puberty. A peach fuzz stash, if you will. Mostly in men with black facial hair. A grease stash is a stash which looks like you have grease on your upper lip.
"Did you see Seth with that grease stash? Like dude wipe your upper lip off. You look like a pedofile."
The terrible lingering smell of your boyfriends facial hair after he has smoked weed.
Boyfriend: Give me a kiss
Girlfriend: No way you have a weed stash go wash that smell off your face.
Boyfriend: OK :(
When a amateur trims his mustache and looks like a sexual predator
Hey John did you see Jake's predator stash?
Facial hair, or specifically a combination of a moustash and a goatee.
John Travolta wears a Goat Stash in the movie "From Paris with Love."