1. It is used in the show on ABC Family called Greek. It was used as a cut-down for the persons actions; that were actions a asshole or Douche-bag.
2. When some one does something that would deam them a Douche. The things they did was a douche-move and that person would be a douche-mover.
We made a douchescovery, seems he's been gossiping and sharing personal information and photos with everyone while juggling several different girls and lying to them each about the others.
One who practices douchey habits and reflects the douchebag lifestyle. May also like douches. Not to be confused withdouchebag, who is simply someone who dresses like a douche.