Variant of "douche bag", which is utterly played out. A douche stain is the gooey liquid spot left over on one's panties after a thorough douche. Therefore,if one is a douche stain they are a constant reminder of what a fucking moron they are.
"Look, that guy has one of those hanging ball sacs on the back of his truck."
"What a fucking douche stain."
"What a fucking douche stain."
by ArtemisTheThird March 24, 2009
by ArtemisTheThird January 02, 2010