to be greasey, a real smooth slick player, keeps everything he does on the down low, being so greasy nobody knows anything has happened but the person greasin. (known for the attitude with involved woman "What he don't know won't hurt him")
ned: what you going at tonight?
Tom: Going to the bar and greasin it up.
To consume some type of food or medication in order to unclog a constipated keester such as coffee, prune juice or a greasey steak sandwich.
That correctol I slipped into grandpa's prune juice was just what the docta ordered for greasing the skids! Now he has skid marks that could make all the residents of Shartlesville envioius.