When your friend tells you he's going to a sporting event but refers to it by the visiting team. One who has homefield disadvantage does this because he/she has to be cocky in making it clear that he/she is a fan of the visitors.
(n.) When a host and/or resident is entitled to special privileges; this includes the ability to tastefully sieze or reclaim an item (i.e. last beer) or seat based on ownership of the space being occupied.