Doo-da

  1. n. Friend; amigo; endearing term spoken to someone as you pass them in the hallway or as you walk up to them to ask them a question. Chiefly used in the greeting Hey, doo-da. Slightly less friendly than smelly butt and homey. Sometimes used as a name substitute when you want to get someone's attention but can't remember their name: Doo-da? See gargoyle.