look up any word, like dirty sanchez:
 
1.
the stain that looks like shit on the mustache of a smoker.
quit smoking, it's bad for you and that shitstain looks like shit.
by cldick August 25, 2011
 
2.
the stain that looks like shit on the mustache of a smoker.
you should quit smoking or at least shave off the mustache, because that shit stain looks like shit.
by cldick August 27, 2011
 
3.
the stain that looks like shit on the mustache of a smoker.
you should quit smoking or at least shave off the mustache, because that shit-stain looks like shit.
by cldick August 27, 2011
 
4.
An utterly objectionable, despised individual, especially one whose personality is compounded by subnormal intelligence.
Lyle Wright is a shitstain on the ass of the human race. That sawed-off cum-sucking fuckhead would make a good cop.
by fingerman December 29, 2004
 
5.
1)A Brownish/Blackish and or Redish mark that is found in a towlet or human being's under shorts or panties. Found around the area of the anus.
2)A person that is a total fuck up and totally useless.
Like definitions may be found with Dumdass, Skidmark, Shit For Brains, Stupidass, Jerkoff, Spinout or Speed Racer.
I was taking a leak in Tommy's badroom, then I saw his Dad's boxers on the floor. There was bloody "shit stain" in them. It looked like he wiped up the floor with them after a blod bath.

Tommy and his Dad are both fucking "shit stains".
by JLOH December 16, 2004
 
6.
its shit that got hammed into your underwear. occurs when u dont wipe your ass after a soupy shit, some gets stuck on your ass crack and this is called (magoo) this could harden into a poob(see poob), also, if somebody is trying to act funny by doing a fake fart, and that results in shitting in your pants and no funny farting sound, u have gained nothing funny out u it, but only a nasty shitstain on your underwear that is embaressing to yourself and others when they see it, or find out about it...
he took a crap, but all his ass hairs prevented it from reaching the toilet and acted as a net, he also ran out of toilet paper, so he went to the store and he came home and later found a shitstain that got hammed on his underwear
by slapapig September 27, 2003
 
7.
One resembling skidmarks upon the undershorts of life.
Osama, you are such a shitstain.
by Bob the Dog March 10, 2006