used to describe the brown marks in unwashed tightey whiteys belonging to someone who just couldnt hold it. or, alternatively, they had an all day wedgie.
Dude! Check out those skid marks! Dad must've had Mexican for lunch today.
by zappafreak May 24, 2004
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n. Poo poo stain in the seat of one's underpants.
I don't wipe; I've learned to live with the skid mark.
by The Grammar Nazi December 19, 2001
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1. burnt rubber marks left on tarmac when peeling out with a fast, powerful car
2. poo stains left on underwear when ass is not properly wiped hershey highway
1. That porsche left skid marks on the road.
2. I was taking a shower and noticed skid marks on my underwear.
by Jin Kim April 25, 2003
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**Marks on your underwear left by shit, usually permanent. Caused by Sharting (A fart that turns out to be a shit), also caused by photo finish shits, juicy farts, not wiping completely, and most generally crapping your pants.
**Side effect- buying dozens upon dozens of new pairs of underwear.
**Interesting Fact**
Skid Marks are the most permanent thing on this Earth, no matter how much you scrub they stay. No matter how much bleach you dump on your underwear it doesn't even fade.
**Synonym- Racing Stripes
**Dude, did you just shit your pants? You are going to have major skid marks.

**What color where these when you originally bought them?
by Ogrenator April 11, 2008
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A line or a spot of fecies left in one's underwear, either because they didn't wipe properly or they did not get all the poop out of their anus.
Mom, I left some nasty skid marks in my undies.
by earth._.turd January 26, 2017
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A worthless pile of shit that contributes absolutely nothing to society and is merely a skid mark in our world's collective underwear. A non educated pile of shit that is a con artist specializing in fucking people out of there hard earned money by making them take it up the ass like a rump ranger or butt pirate. A man that leaves his family because the going got tough and he runs away with his small dick tucked between his legs like a pussy because he can't man up to responsibility hence he is nothing more than a skid mark to anybody he associates with.
Q: Honey, have you noticed that Jessica's husband is really worthless?

A: Yeah Jessica's husband is a skid mark in our world's collective underwear because he is an absolute pile of shit and contributes absolutely nothing to society except for being a big ole shit stain.
by FUNNY GUY 77 July 16, 2011
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an unclean brownish mark on one's underpants
If you would just wipe yourself properly you wouldn't have to deal with a skid mark every time you pulled your pants down.
by Light Joker February 9, 2006
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