a name to call someone when you are ether, in school, or a place you cannot cuss in. very good thing to call sumone when they are acting stupid.
Bob: *trips and falls over a jelly bean* woah! look out there little jelly bean!!
Fred: wow, ur such a mother doucher!!
Bob: i know what u are, but what am i?
Fred: A mother doucher....
Bob: shut up!!!