1) whiskers, such as a moustache or a beard, that are made out of shit particles
2) whiskers or hairs that grow out of a piece of human or animal shit
Henry: Hey Benny, when you get a second, look to your right and check out that guy's disgusting beard.
Benny: Damn Henry, it looks like that guy has been washing his face with his mother's asshole. The dude has a serious collection of shit whiskers huh.
"I forgot to pick up my dog's shit while i was walking him yesterday and when i walked by it today, the turd had some serious shit whiskers growing out of it"