A carhop is the waitstaff who delivers food to a customer's car at a drive-in restaurant, a restaurant where customers arrive by car and are served from where they are parked. The popular depiction of a carhop is of a waitress wearing roller skates, in reality usage of roller skates was rather uncommon and most carhops worked on foot. Carhops have been long associated with 1950's pop culture.
The term carhop is derived from the words car and bellhop.