(N.) 1. A thin smearing of shit in your underwear or the stain left from the thin smearing of shit in your underwear usually caused by excessive farting, an improperly wiped ass, or a wedgie in a dirty ass.  2. A term used to describe someone acting like an asshole.
1. Eddie Cruz has skidmarks in his chonies! (undies.) Gross!
2. Quit acting like a total skidmark, fag!
2. Quit acting like a total skidmark, fag!
by Mony Love July 15, 2003
 Get the skidmarkmug.
Get the skidmarkmug. a line of shit in underwear, a toilet, or sometimes even walls. it is usually dry, but varies in viscosity, it resembles the skidmarks from a car.
by RUDNASTY July 22, 2015
 Get the skidmarkmug.
Get the skidmarkmug. encrusted or soft fecal forget-me-nots that are transferred from your anal paintbrush to your underware canvas.
his underware were so bad they had to call the highway patrol to come measure the skidmarks from the accident.
by your mom September 3, 2003
 Get the skidmarksmug.
Get the skidmarksmug. When soft, still plyable anal dischanrges rub so close to the offenders' undergarments that a fecal stain is left behind.  May also occur when the issue is "forced."  I.E. Butt picking, massaging of anal irritations, or sloppy wiping techniques.  See also "streaks."
Dammit Donnie, the line for the port-o-let was so long I had to rush my post crap rectal cleansing techniques.  Now I have smelly 7-1/4 inch skidmarks as a result!
by Jim Stevens January 11, 2004
 Get the skidmarksmug.
Get the skidmarksmug. A poo poo stain in your undies that is usually centralized, but not restricted to, the area that makes contact with the anus. Usually a sign that means you need to use toilet paper. WARNING: should you encounter skidmarked undies, dispose of them in short.
by nonselfpooper July 31, 2007
 Get the skidmarkmug.
Get the skidmarkmug. by Mike Easter March 15, 2003
 Get the skidmarksmug.
Get the skidmarksmug. by  ARTIE May 8, 2003
 Get the skidmarkmug.
Get the skidmarkmug.