look up any word, like b4nny:
 
1.
1 or more people who play xbox and are constantly negative while other people are talking in a lobby(usally around the age of 21 and talk shit to those younger than them)
Justin: Hey Andrew, are we going to Kareem's house today?
Andrew: I think so.
Douche-in-a-Box: (mocking tone) are we going to kareems house today?... Shut the fuck up, ur sooo fucking annoying.
Justin: Wow, mute this fag, he's bein such a Douche-in-a-Box.
by ThatTallKiiD December 05, 2010