A word often used in MultiplayerVideo Game Chat or even Aol Instant messanger (aim) and other messaging systems. Wdup is to shorten the term What's up or another way of saying Sup
1.) A necessary phrase for people from Upstate New York due to the fact that every person outside of Upstate New York state seems to forget that there is an entire state called New York... not just the city.
2.) A way to greet other Upstate New Yorkers who have moved away from the god forsaken, over-shadowed, over-taxed and economically depressed hell hole of a region.
3.) The nearly aborted, red-headed step child of New York City.
non-wdupstater: "Hello, where are you from?"
former wdupstater: "I'm from Elmira, NY."
non-wdupstater: "Ohhhh, is that Uptown?"
former wdupstater: "(sigh)NO! It's in WDUPSTATE NY!!!!"