The upper echelon of being a complete douche bag. Not the useful, clean, vinegary fluid that goes in, but the useless, cottage cheesy, foul smelling mucousy substance that comes out.
Tim: Hello, I work with com-puters, dooh.
Tim's assistant: His name is Tim goes dooh.
Tim: My friend, Dawh Guy, goes "dawh."
Dawh Guy: Dawh-awh-awh Dawh-awh-awh Dawh-awh, Dawh-awh-awh Dawh-awh-awh Dawh-awh.
Tim: Goes dooh. Goes dooh.