noun, plural prep·pies.
adjective, prep·pi·er, prep·pi·est.
Origin of preppy
Examples from the Web for preppie
Contemporary Examples of preppie
That was the case 23 years ago with the “Preppie Killer,” Robert Chambers.Deadly Good Looks?
April 23, 2009
noun plural -pies
Word Origin for preppy
"student at a preparatory school," 1962, also preppy; see prep. As an adjective from 1966. An older variant in the noun sense was prepper (1921), also prepster (1938).