0 a person who is or was a student at a preparatory school (= private school that prepares students for college), or someone who dresses in the traditional style of such students: --
Members of high-status (preppie, popular) groups often interact with many people, but most of these relationships are superficial and instrumental; interpersonal connections are used to establish and maintain social status.
In this regard there may be significant overlap with the preppie stereotype.
Preppie style is more colorful, especially in spring and summer.
As part of the "preppie" movement of the 1980s, be like gained prestige as a trendy and socially desirable way to voice a speaker's inner experience.