The vehicle belonging to your significant other. It is either too fast or too slow, the wrong kind of transmission, not cool enough, or too new and strange compared to your one true ride.
Person 1: Why are you sad? You love driving on road trips!
Person 2: Sure, but my car is in the shop so we have to take the car-in-law.
This is an expression used to describe an action of parking your car. The author of this beautiful sentence is also the great philosopher who invented another theory of justice. PARK MY CAR IN THE PARKING PAR LINKIN PARK HYDE PARK CENTRAL PARK PARK PARK
You arrive at the shopping and you say to your mom:
Mom, we need to park our car in the parking park.
Park my car in the parking park -place where you put your car