Wiktionary
n. A waiter who serves customers sitting in parked cars.
Wikipedia
Car Hop is a pinball machine designed by Jon Norris and first produced by Gottlieb in January, 1991.
Usage examples of "car hop".
Jack got extra stats off the clerk: the woman was thirty-seven years old, her occupation was listed as actress/car hop, as of 7/52 she was working at Stan's Drive-in in Hollywood.
The matron I talked to told me that Billy Maynard was there, waiting for his mother, Coleman Maynard's ex-wife, a car hop with six hooking convictions.
First it was a bridge out and I didn't have room enough to make the car hop it, quite aside from the small matter of traffic regulations for a duo on the ground.
Out of a Texas car hop with the literacy of a character in a comic strip it will make an international courtesan, married six times to six millionaires and so blasé.