by Woody September 19, 2003

improbably unpleasant and useless person
my ex-boyfriend's an anal wank stain
by bobbybollox September 8, 2009

by steve weilyy September 5, 2008

It's a insult used on a person who is a pain or useless. The insult reffers to when a male ejaculates on his pants and a stain is left where the semen (or in slang cum fell. Hence the use of "cum") . It's acronym form is CSOTPOS. Used by many teenagers and is not understood by most teaches so it is higly useful.
by AZZA25 July 1, 2010

1. N. An annoying-ass adolescent piece of shit who always argues about politics, and usually hates everyone. See also: David.
2. N. The cum stain on the ass of a 12 year old girl. See also David.
2. N. The cum stain on the ass of a 12 year old girl. See also David.
Guy 1: Dude, you know who I hate more than Jeremy?
Guy 2: No who?
Guy 1: No one!
Guy 2: What about that kid David... hes such a Political Cum Stain!
Guy 2: No who?
Guy 1: No one!
Guy 2: What about that kid David... hes such a Political Cum Stain!
by Thedeadhead04 May 17, 2008

Its when you wipe your ass after a particularly filthy dump and you get a shit stain your thumb knuckle.
I was pleased to finally get the key to the executive wash room, however Stan Phillips was not pleases to see that I had a shit stained thumb knuckle when I shook his hand at the share holder meeting.
by jim dandyy June 13, 2011

by YO mama September 10, 2003
