-noun
Flashy, flamboyant behavior which can result from winning big in Las Vegas, often accompanied by several 'hanger's on', a sprinkling of jealous friends and very friendly open arms from all casino management.
"Chris, just take a look at Kristen pulling up in her stretch."
"Yeah, I swear she's had Vegasitis ever since winning the megadosh jackpot at The Conceitio Casino last year!"
A verbal disorder causing abnormally loud speech while using a cellular device or land-line telephone. This disorder also causes great annoyance to those surrounded by it.