American Heritage Dictionary
(3)
Century Dictionary
GNU Webster's 1913
WordNet
Elsewhere on the web
Bratz weren't preppy, and they weren't always sweet and helpful.— Find Free Articles - ArticlesBase
The brand positioning here is based on the ultra-preppy, perhaps more of a mythical creature than a real demographic group.— ThirdWay Advertising Blog
I'd slowly but surely build my collection of clothes - preppy, mostly - and just spend hours hang out in my house trying them all on.— Fashion World of SL
Ben: It's a reflection of the dichotomy of east meets west, it's American preppy, which is the west, mixed with our travels to the east.— The Globe and Mail - Home RSS feed
Originally, it was Tracy Flick from Election - very buttoned-down, preppy, obnoxious, squeaky clean, nerdy.— PopWatch

American Heritage Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word a few times a year.