characteristic of or denoting a fashion style of neat, understated, and often expensive clothes; young but classic, suggesting that the wearer is well off, upper class, and conservative
nounWord forms: plural-pies
2.
a person exhibiting such style
Word origin
C20: originally US, from preppy a person who attends or has attended a preparatory school before college
Examples of 'preppies' in a sentence
preppies
Younger preppies are more serious than my generation.