Romney seat
Any exterior riding area for passengers you no longer wish to keep within the confines of your vehicle - such as a dog kennel strapped to a luggage rack.
"You'd better not blow chunks or I'm making you sit in the Romney seat"
"If your crazy hoe doesn't chillax, I'm throwing her in the Romney seat..."
"If your crazy hoe doesn't chillax, I'm throwing her in the Romney seat..."