Not just any car not from another country. A Foreign Car is an expensive Car, typically from Europe such as Ferrari, Lamborghini, Maserati, Maybach or Bugatti
As the name already says a foreign or foreign whip is a car made made in a foreign country like Germany or Japan. Nowadays its often used in the rap-scene to refer to a expensive and fancy car, like Lamborghini or Mercedes-Benz.
Dude! Have you seen his new foreign car, its super sick!!
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.