BATTLE OF THE MIDWAY /BAHT ull uv the MIDD way/ noun: The non-verbal jockeying for ownership of the empty middle seat between occupants of the window and aisle seats on a three-seater.
Usage: The guy in the window seat had his briefcase in the middle seat on the 8:22 to Valhalla, but I kept moving parts of my Times over until we ended up sharing the space.