1. Fecal residue left on the inside of one's underwear after an anal emission. See skidmark.
2. An accurate description of the physics involved in which a piece of leftover crap hanging out of your bunghole "scratches" your drawers.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.