A smear of poop found in ones underwear, the bunghole having been improperly wiped after a previous gratuitous usage.
Damn! I did it again... I crapped in my pants.
by Andre Slovinchokov September 30, 2003
Short for Somerset 1316. Used to descibe the scourge of humanity... and underwear. A term of endearment.
Hey staino, you shot me! Owww!
by Mat Cunningham September 16, 2003