Those hairs around your anus that the feces clings to.
Meatpile's ass hairs are so long it looks like he has a 'shitwick'.
by Voyergirl April 06, 2006
The portion of g-string underwear that goes between the ass cheeks.
Sarah had to call me into the lab because she was looking at panties, and she didn't know what the call the shit wick.
by Mmmmmmmmmmmmm September 18, 2013