a person who critisizes other and starts problems with other that they don't actually know. These people usually just judge others based on what they're wearing or the way they look. They think others are douchebags, and don't realize that they are themselves.
Douche: "That black guy is wearing Armani, he is such a douchebag, i bet he stole it and thinks he's cool"
Normal guy: "He's my neighbor. He is actually really nice, works at the grocery for a part-time job while going to university and likes to dress nicely."
loser who claims fame but has never had it, claims tours of America that were in fact holidays paid for by wife and family, and tries to tell folks about said holidays at a child's funeral.