The term "yuppy," or "yuppie," was popularized in the 80's.  It stood for "young urban professional."  These were college grads, with good jobs, and a lot of disposable income.   They wasted it on fancy clothes, BMWs, and fine wine.  You call follow the t-shirt link above for Yuppy stuff, or check out the vintage Star Wars and Star Trek memorabilia below!