skid mark

an elongated stain in the rear of one's underwear caused by one of the following: 1)rubbing of the underwear on an insufficiently wiped anus after excrementing 2)expelling juicy farts (butt cheese) into the underwear over an extended period.
"I think my underwear has a skid mark from farting all day"
by Uncle Stinky May 08, 2004
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skid mark

A fecal stain that is visible on one's undergarments.

Also presents in a less structural (and lesser known) form, typically developed from excessive "dry farting". In this form, the skidmark develops in a larger region, yet its definition is not as clear. Essentially, it is representative of a consistent gaseous pounding of one's underpants over a long period of time, and while fairly rare, is unmistakable. Usually, this effect is understandable to about 1/10th of all humans.
I just ran a red light and blasted a massive skid mark all over my BVD's.
by A. Boyd January 13, 2007
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skid mark

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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skid mark

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 09, 2006
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skid mark

n. term referring to when your underpants ride up your butt crack and leave a line of poop in the bottom. It is also known as a racing stripe.
Jim didn't wipe his butt thoroughly, for he had a massive skid mark in his underpants.
by The PEN15 club January 02, 2007
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skid mark

after i took a shit, i didnt wipe good so i have some shit stains in my draws
by John December 26, 2002
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skid mark

Something left in ones underwear when their ass goblin doesn't do a good job.
No problem, my ass goblin will take care... aww shit, he aint doing his job!
by Anonymous October 08, 2002
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