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1.
pista•dex |’pistá-deks| (abbr. PDEX)
noun
a figure representing the average asking price of a Bianchi Pista on craigslist.org across several hip metropolitan areas.

After closing of major markets the pistadex (PDEX) was up 12 points closing at all-time high of 1262.76.
Dude the pistadex is way up but I think I want to buy anyway.. it's just going to keep going up yaknow.

Yeah, buy. I think. Buy, buy, buy. (it's never going to stop)
by pistafairy May 28, 2008
28 10
 
2.
noun: pistadex - a figure representing to average asking price of a Bianchi Pista Bike on craigslist.org across several hip metropolitan areas







I saw a Pista on Seattle craigslist for $1,200. That's more than a new one. How will that affect the Pistadex?
by AnnaZed July 10, 2008
20 6